Add plane properties "premultiplied/zpos/alpha" used in msm MDP driver to perform proper blending operation. V1: Initial change V2: Change "premultiplied" property to enum (Rob's comment)

Signed-off-by: Jilai Wang jilaiw@codeaurora.org --- Documentation/DocBook/drm.tmpl | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)

diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index 109fde8..d9f5613 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -3500,6 +3500,29 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >Plane</td> <td valign="top" >TBD</td> </tr> + <tr> + <td rowspan="3" valign="top" >msm</td> + <td rowspan="3" valign="top" >Generic</td> + <td valign="top" >"premultiplied"</td> + <td valign="top" >ENUM</td> + <td valign="top" >{ "false", "true" }</td> + <td valign="top" >Plane</td> + <td valign="top" >property to indicate the framebuffer used by this plane is alpha pre-multiplied</td> + </tr> + <tr> + <td valign="top" >"alpha"</td> + <td valign="top" >RANGE</td> + <td valign="top" >Min=0, Max=255</td> + <td valign="top" >Plane</td> + <td valign="top" >property to set plane's global alpha value</td> + </tr> + <tr> + <td valign="top" >"zpos"</td> + <td valign="top" >RANGE</td> + <td valign="top" >Min=1, Max=255</td> + <td valign="top" >Plane</td> + <td valign="top" >property to set plane's z position during blending</td> + </tr> </tbody> </table> </sect2>

To support mdp5 blending for mdp5 v1.5 and later V1: Initial change V2: After the stage number is increased to 7, BLENDx registers are not continuous now. Using the offset for each BLEND stage to fix it.

Signed-off-by: Jilai Wang jilaiw@codeaurora.org --- drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h | 95 ++++++++++++++++++++++++-------- drivers/gpu/drm/msm/mdp/mdp_common.xml.h | 4 ++ 2 files changed, 77 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h index 50e1752..b35b85f 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5.xml.h @@ -381,49 +381,49 @@ static inline uint32_t REG_MDP5_CTL_LAYER(uint32_t i0, uint32_t i1) { return 0x0 static inline uint32_t REG_MDP5_CTL_LAYER_REG(uint32_t i0, uint32_t i1) { return 0x00000000 + __offset_CTL(i0) + __offset_LAYER(i1); } #define MDP5_CTL_LAYER_REG_VIG0__MASK 0x00000007 #define MDP5_CTL_LAYER_REG_VIG0__SHIFT 0 -static inline uint32_t MDP5_CTL_LAYER_REG_VIG0(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_VIG0(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_VIG0__SHIFT) & MDP5_CTL_LAYER_REG_VIG0__MASK; } #define MDP5_CTL_LAYER_REG_VIG1__MASK 0x00000038 #define MDP5_CTL_LAYER_REG_VIG1__SHIFT 3 -static inline uint32_t MDP5_CTL_LAYER_REG_VIG1(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_VIG1(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_VIG1__SHIFT) & MDP5_CTL_LAYER_REG_VIG1__MASK; } #define MDP5_CTL_LAYER_REG_VIG2__MASK 0x000001c0 #define MDP5_CTL_LAYER_REG_VIG2__SHIFT 6 -static inline uint32_t MDP5_CTL_LAYER_REG_VIG2(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_VIG2(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_VIG2__SHIFT) & MDP5_CTL_LAYER_REG_VIG2__MASK; } #define MDP5_CTL_LAYER_REG_RGB0__MASK 0x00000e00 #define MDP5_CTL_LAYER_REG_RGB0__SHIFT 9 -static inline uint32_t MDP5_CTL_LAYER_REG_RGB0(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_RGB0(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_RGB0__SHIFT) & MDP5_CTL_LAYER_REG_RGB0__MASK; } #define MDP5_CTL_LAYER_REG_RGB1__MASK 0x00007000 #define MDP5_CTL_LAYER_REG_RGB1__SHIFT 12 -static inline uint32_t MDP5_CTL_LAYER_REG_RGB1(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_RGB1(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_RGB1__SHIFT) & MDP5_CTL_LAYER_REG_RGB1__MASK; } #define MDP5_CTL_LAYER_REG_RGB2__MASK 0x00038000 #define MDP5_CTL_LAYER_REG_RGB2__SHIFT 15 -static inline uint32_t MDP5_CTL_LAYER_REG_RGB2(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_RGB2(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_RGB2__SHIFT) & MDP5_CTL_LAYER_REG_RGB2__MASK; } #define MDP5_CTL_LAYER_REG_DMA0__MASK 0x001c0000 #define MDP5_CTL_LAYER_REG_DMA0__SHIFT 18 -static inline uint32_t MDP5_CTL_LAYER_REG_DMA0(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_DMA0(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_DMA0__SHIFT) & MDP5_CTL_LAYER_REG_DMA0__MASK; } #define MDP5_CTL_LAYER_REG_DMA1__MASK 0x00e00000 #define MDP5_CTL_LAYER_REG_DMA1__SHIFT 21 -static inline uint32_t MDP5_CTL_LAYER_REG_DMA1(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_DMA1(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_DMA1__SHIFT) & MDP5_CTL_LAYER_REG_DMA1__MASK; } @@ -431,13 +431,13 @@ static inline uint32_t MDP5_CTL_LAYER_REG_DMA1(enum mdp_mixer_stage_id val) #define MDP5_CTL_LAYER_REG_CURSOR_OUT 0x02000000 #define MDP5_CTL_LAYER_REG_VIG3__MASK 0x1c000000 #define MDP5_CTL_LAYER_REG_VIG3__SHIFT 26 -static inline uint32_t MDP5_CTL_LAYER_REG_VIG3(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_VIG3(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_VIG3__SHIFT) & MDP5_CTL_LAYER_REG_VIG3__MASK; } #define MDP5_CTL_LAYER_REG_RGB3__MASK 0xe0000000 #define MDP5_CTL_LAYER_REG_RGB3__SHIFT 29 -static inline uint32_t MDP5_CTL_LAYER_REG_RGB3(enum mdp_mixer_stage_id val) +static inline uint32_t MDP5_CTL_LAYER_REG_RGB3(uint32_t val) { return ((val) << MDP5_CTL_LAYER_REG_RGB3__SHIFT) & MDP5_CTL_LAYER_REG_RGB3__MASK; } @@ -499,6 +499,44 @@ static inline uint32_t REG_MDP5_CTL_START(uint32_t i0) { return 0x0000001c + __o

static inline uint32_t REG_MDP5_CTL_PACK_3D(uint32_t i0) { return 0x00000020 + __offset_CTL(i0); }

+static inline uint32_t __offset_LAYER_EXT(uint32_t idx) +{ + switch (idx) { + case 0: return 0x00000040; + case 1: return 0x00000044; + case 2: return 0x00000048; + case 3: return 0x0000004c; + case 4: return 0x00000050; + case 5: return 0x00000054; + default: return INVALID_IDX(idx); + } +} +static inline uint32_t REG_MDP5_CTL_LAYER_EXT(uint32_t i0, uint32_t i1) { return 0x00000000 + __offset_CTL(i0) + __offset_LAYER_EXT(i1); } + +static inline uint32_t REG_MDP5_CTL_LAYER_EXT_REG(uint32_t i0, uint32_t i1) { return 0x00000000 + __offset_CTL(i0) + __offset_LAYER_EXT(i1); } +#define MDP5_CTL_LAYER_EXT_REG_VIG0_BIT3 0x00000001 +#define MDP5_CTL_LAYER_EXT_REG_VIG1_BIT3 0x00000004 +#define MDP5_CTL_LAYER_EXT_REG_VIG2_BIT3 0x00000010 +#define MDP5_CTL_LAYER_EXT_REG_VIG3_BIT3 0x00000040 +#define MDP5_CTL_LAYER_EXT_REG_RGB0_BIT3 0x00000100 +#define MDP5_CTL_LAYER_EXT_REG_RGB1_BIT3 0x00000400 +#define MDP5_CTL_LAYER_EXT_REG_RGB2_BIT3 0x00001000 +#define MDP5_CTL_LAYER_EXT_REG_RGB3_BIT3 0x00004000 +#define MDP5_CTL_LAYER_EXT_REG_DMA0_BIT3 0x00010000 +#define MDP5_CTL_LAYER_EXT_REG_DMA1_BIT3 0x00040000 +#define MDP5_CTL_LAYER_EXT_REG_CURSOR0__MASK 0x00f00000 +#define MDP5_CTL_LAYER_EXT_REG_CURSOR0__SHIFT 20 +static inline uint32_t MDP5_CTL_LAYER_EXT_REG_CURSOR0(enum mdp_mixer_stage_id val) +{ + return ((val) << MDP5_CTL_LAYER_EXT_REG_CURSOR0__SHIFT) & MDP5_CTL_LAYER_EXT_REG_CURSOR0__MASK; +} +#define MDP5_CTL_LAYER_EXT_REG_CURSOR1__MASK 0x3c000000 +#define MDP5_CTL_LAYER_EXT_REG_CURSOR1__SHIFT 26 +static inline uint32_t MDP5_CTL_LAYER_EXT_REG_CURSOR1(enum mdp_mixer_stage_id val) +{ + return ((val) << MDP5_CTL_LAYER_EXT_REG_CURSOR1__SHIFT) & MDP5_CTL_LAYER_EXT_REG_CURSOR1__MASK; +} + static inline uint32_t __offset_PIPE(enum mdp5_pipe idx) { switch (idx) { @@ -984,9 +1022,22 @@ static inline uint32_t REG_MDP5_LM_BORDER_COLOR_0(uint32_t i0) { return 0x000000

static inline uint32_t REG_MDP5_LM_BORDER_COLOR_1(uint32_t i0) { return 0x00000010 + __offset_LM(i0); }

-static inline uint32_t REG_MDP5_LM_BLEND(uint32_t i0, uint32_t i1) { return 0x00000020 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t __offset_BLEND(uint32_t idx) +{ + switch (idx) { + case 0: return 0x00000020; + case 1: return 0x00000050; + case 2: return 0x00000080; + case 3: return 0x000000b0; + case 4: return 0x00000230; + case 5: return 0x00000260; + case 6: return 0x00000290; + default: return INVALID_IDX(idx); + } +} +static inline uint32_t REG_MDP5_LM_BLEND(uint32_t i0, uint32_t i1) { return 0x00000000 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_OP_MODE(uint32_t i0, uint32_t i1) { return 0x00000020 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_OP_MODE(uint32_t i0, uint32_t i1) { return 0x00000000 + __offset_LM(i0) + __offset_BLEND(i1); } #define MDP5_LM_BLEND_OP_MODE_FG_ALPHA__MASK 0x00000003 #define MDP5_LM_BLEND_OP_MODE_FG_ALPHA__SHIFT 0 static inline uint32_t MDP5_LM_BLEND_OP_MODE_FG_ALPHA(enum mdp_alpha_type val) @@ -1008,25 +1059,25 @@ static inline uint32_t MDP5_LM_BLEND_OP_MODE_BG_ALPHA(enum mdp_alpha_type val) #define MDP5_LM_BLEND_OP_MODE_BG_INV_MOD_ALPHA 0x00001000 #define MDP5_LM_BLEND_OP_MODE_BG_TRANSP_EN 0x00002000

-static inline uint32_t REG_MDP5_LM_BLEND_FG_ALPHA(uint32_t i0, uint32_t i1) { return 0x00000024 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_FG_ALPHA(uint32_t i0, uint32_t i1) { return 0x00000004 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_BG_ALPHA(uint32_t i0, uint32_t i1) { return 0x00000028 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_BG_ALPHA(uint32_t i0, uint32_t i1) { return 0x00000008 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_LOW0(uint32_t i0, uint32_t i1) { return 0x0000002c + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_LOW0(uint32_t i0, uint32_t i1) { return 0x0000000c + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_LOW1(uint32_t i0, uint32_t i1) { return 0x00000030 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_LOW1(uint32_t i0, uint32_t i1) { return 0x00000010 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_HIGH0(uint32_t i0, uint32_t i1) { return 0x00000034 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_HIGH0(uint32_t i0, uint32_t i1) { return 0x00000014 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_HIGH1(uint32_t i0, uint32_t i1) { return 0x00000038 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_FG_TRANSP_HIGH1(uint32_t i0, uint32_t i1) { return 0x00000018 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_LOW0(uint32_t i0, uint32_t i1) { return 0x0000003c + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_LOW0(uint32_t i0, uint32_t i1) { return 0x0000001c + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_LOW1(uint32_t i0, uint32_t i1) { return 0x00000040 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_LOW1(uint32_t i0, uint32_t i1) { return 0x00000020 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_HIGH0(uint32_t i0, uint32_t i1) { return 0x00000044 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_HIGH0(uint32_t i0, uint32_t i1) { return 0x00000024 + __offset_LM(i0) + __offset_BLEND(i1); }

-static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_HIGH1(uint32_t i0, uint32_t i1) { return 0x00000048 + __offset_LM(i0) + 0x30*i1; } +static inline uint32_t REG_MDP5_LM_BLEND_BG_TRANSP_HIGH1(uint32_t i0, uint32_t i1) { return 0x00000028 + __offset_LM(i0) + __offset_BLEND(i1); }

static inline uint32_t REG_MDP5_LM_CURSOR_IMG_SIZE(uint32_t i0) { return 0x000000e0 + __offset_LM(i0); } #define MDP5_LM_CURSOR_IMG_SIZE_SRC_W__MASK 0x0000ffff diff --git a/drivers/gpu/drm/msm/mdp/mdp_common.xml.h b/drivers/gpu/drm/msm/mdp/mdp_common.xml.h index 641d036..154d66e 100644 --- a/drivers/gpu/drm/msm/mdp/mdp_common.xml.h +++ b/drivers/gpu/drm/msm/mdp/mdp_common.xml.h @@ -65,6 +65,10 @@ enum mdp_mixer_stage_id { STAGE1 = 3, STAGE2 = 4, STAGE3 = 5, + STAGE4 = 6, + STAGE5 = 7, + STAGE6 = 8, + STAGE_MAX = 8, };

enum mdp_alpha_type {

This change is to add properties alpha/zpos/blend_mode to mdp5 plane for alpha blending operation to generate the blended output. V1: Initial change V2: Change "premultilied" property to enum (Rob's comment)

Signed-off-by: Jilai Wang jilaiw@codeaurora.org --- drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c | 110 ++++++++++++++++++-------- drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c | 66 ++++++++++++++-- drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h | 32 ++------ drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h | 16 ++-- drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 124 +++++++++++++++++++++++++++--- drivers/gpu/drm/msm/msm_drv.h | 10 +++ 6 files changed, 273 insertions(+), 85 deletions(-)

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index dea3d2e..e6e53b8 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -160,7 +160,7 @@ static void complete_flip(struct drm_crtc *crtc, struct drm_file *file)

if (mdp5_crtc->ctl && !crtc->state->enable) { /* set STAGE_UNUSED for all layers */ - mdp5_ctl_blend(mdp5_crtc->ctl, mdp5_crtc->lm, 0x00000000); + mdp5_ctl_blend(mdp5_crtc->ctl, mdp5_crtc->lm, NULL, 0, 0); mdp5_ctl_release(mdp5_crtc->ctl); mdp5_crtc->ctl = NULL; } @@ -196,13 +196,9 @@ static bool mdp5_crtc_mode_fixup(struct drm_crtc *crtc, /* * blend_setup() - blend all the planes of a CRTC * - * When border is enabled, the border color will ALWAYS be the base layer. - * Therefore, the first plane (private RGB pipe) will start at STAGE0. - * If disabled, the first plane starts at STAGE_BASE. - * - * Note: - * Border is not enabled here because the private plane is exactly - * the CRTC resolution. + * If no base layer is available, border will be enabled as the base layer. + * Otherwise all layers will be blended based on their stage calculated + * in mdp5_crtc_atomic_check. */ static void blend_setup(struct drm_crtc *crtc) { @@ -210,9 +206,14 @@ static void blend_setup(struct drm_crtc *crtc) struct mdp5_kms *mdp5_kms = get_kms(crtc); struct drm_plane *plane; const struct mdp5_cfg_hw *hw_cfg; - uint32_t lm = mdp5_crtc->lm, blend_cfg = 0; + struct mdp5_plane_state *pstate, *pstates[STAGE_MAX + 1] = {NULL}; + const struct mdp_format *format; + uint32_t lm = mdp5_crtc->lm; + uint32_t blend_op, fg_alpha, bg_alpha, ctl_blend_flags = 0; unsigned long flags; -#define blender(stage) ((stage) - STAGE_BASE) + uint8_t stage[STAGE_MAX + 1]; + int i, plane_cnt = 0; +#define blender(stage) ((stage) - STAGE0)

hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg);

@@ -222,33 +223,73 @@ static void blend_setup(struct drm_crtc *crtc) if (!mdp5_crtc->ctl) goto out;

+ /* Collect all plane information */ drm_atomic_crtc_for_each_plane(plane, crtc) { - enum mdp_mixer_stage_id stage = - to_mdp5_plane_state(plane->state)->stage; + pstate = to_mdp5_plane_state(plane->state); + pstates[pstate->stage] = pstate; + stage[pstate->stage] = mdp5_plane_pipe(plane); + plane_cnt++; + }

- /* - * Note: This cannot happen with current implementation but - * we need to check this condition once z property is added - */ - BUG_ON(stage > hw_cfg->lm.nb_stages); + /* + * If there is no base layer, enable border color. + * Although it's not possbile in current blend logic, + * put it here as a reminder. + */ + if (!pstates[STAGE_BASE] && plane_cnt) { + ctl_blend_flags |= MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT; + DBG("Border Color is enabled"); + }

- /* LM */ - mdp5_write(mdp5_kms, - REG_MDP5_LM_BLEND_OP_MODE(lm, blender(stage)), - MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_CONST) | - MDP5_LM_BLEND_OP_MODE_BG_ALPHA(BG_CONST)); + /* The reset for blending */ + for (i = STAGE0; i <= STAGE_MAX; i++) { + if (!pstates[i]) + continue; + + format = to_mdp_format( + msm_framebuffer_format(pstates[i]->base.fb)); + plane = pstates[i]->base.plane; + blend_op = MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_CONST) | + MDP5_LM_BLEND_OP_MODE_BG_ALPHA(BG_CONST); + fg_alpha = pstates[i]->alpha; + bg_alpha = 0xFF - pstates[i]->alpha; + DBG("Stage %d fg_alpha %x bg_alpha %x", i, fg_alpha, bg_alpha); + + if (format->alpha_enable && pstates[i]->premultiplied) { + blend_op = MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_CONST) | + MDP5_LM_BLEND_OP_MODE_BG_ALPHA(FG_PIXEL); + if (fg_alpha != 0xff) { + bg_alpha = fg_alpha; + blend_op |= + MDP5_LM_BLEND_OP_MODE_BG_MOD_ALPHA | + MDP5_LM_BLEND_OP_MODE_BG_INV_MOD_ALPHA; + } else { + blend_op |= MDP5_LM_BLEND_OP_MODE_BG_INV_ALPHA; + } + } else if (format->alpha_enable) { + blend_op = MDP5_LM_BLEND_OP_MODE_FG_ALPHA(FG_PIXEL) | + MDP5_LM_BLEND_OP_MODE_BG_ALPHA(FG_PIXEL); + if (fg_alpha != 0xff) { + bg_alpha = fg_alpha; + blend_op |= + MDP5_LM_BLEND_OP_MODE_FG_MOD_ALPHA | + MDP5_LM_BLEND_OP_MODE_FG_INV_MOD_ALPHA | + MDP5_LM_BLEND_OP_MODE_BG_MOD_ALPHA | + MDP5_LM_BLEND_OP_MODE_BG_INV_MOD_ALPHA; + } else { + blend_op |= MDP5_LM_BLEND_OP_MODE_BG_INV_ALPHA; + } + } + + mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_OP_MODE(lm, + blender(i)), blend_op); mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_FG_ALPHA(lm, - blender(stage)), 0xff); + blender(i)), fg_alpha); mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_BG_ALPHA(lm, - blender(stage)), 0x00); - /* CTL */ - blend_cfg |= mdp_ctl_blend_mask(mdp5_plane_pipe(plane), stage); - DBG("%s: blending pipe %s on stage=%d", mdp5_crtc->name, - pipe2name(mdp5_plane_pipe(plane)), stage); + blender(i)), bg_alpha); }

- DBG("%s: lm%d: blend config = 0x%08x", mdp5_crtc->name, lm, blend_cfg); - mdp5_ctl_blend(mdp5_crtc->ctl, lm, blend_cfg); + mdp5_ctl_blend(mdp5_crtc->ctl, lm, stage, plane_cnt, ctl_blend_flags);

out: spin_unlock_irqrestore(&mdp5_crtc->lm_lock, flags); @@ -339,7 +380,8 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, struct mdp5_kms *mdp5_kms = get_kms(crtc); struct drm_plane *plane; struct drm_device *dev = crtc->dev; - struct plane_state pstates[STAGE3 + 1]; + struct plane_state pstates[STAGE_MAX + 1]; + const struct mdp5_cfg_hw *hw_cfg; int cnt = 0, i;

DBG("%s: check", mdp5_crtc->name); @@ -354,10 +396,10 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, /* verify that there are not too many planes attached to crtc * and that we don't have conflicting mixer stages: */ + hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg); drm_atomic_crtc_state_for_each_plane(plane, state) { struct drm_plane_state *pstate; - - if (cnt >= ARRAY_SIZE(pstates)) { + if (cnt >= (hw_cfg->lm.nb_stages)) { dev_err(dev->dev, "too many planes!\n"); return -EINVAL; } @@ -369,13 +411,13 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, */ if (!pstate) pstate = plane->state; - pstates[cnt].plane = plane; pstates[cnt].state = to_mdp5_plane_state(pstate);

cnt++; }

+ /* assign a stage based on sorted zpos property */ sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL);

for (i = 0; i < cnt; i++) { diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c index f2530f2..622849b 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.c @@ -287,30 +287,86 @@ int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, int cursor_id, bool enable) blend_cfg &= ~MDP5_CTL_LAYER_REG_CURSOR_OUT;

ctl_write(ctl, REG_MDP5_CTL_LAYER_REG(ctl->id, lm), blend_cfg); + ctl->cursor_on = enable;

spin_unlock_irqrestore(&ctl->hw_lock, flags);

ctl->pending_ctl_trigger = mdp_ctl_flush_mask_cursor(cursor_id); - ctl->cursor_on = enable;

return 0; }

-int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg) +static u32 mdp_ctl_blend_mask(enum mdp5_pipe pipe, + enum mdp_mixer_stage_id stage) +{ + switch (pipe) { + case SSPP_VIG0: return MDP5_CTL_LAYER_REG_VIG0(stage); + case SSPP_VIG1: return MDP5_CTL_LAYER_REG_VIG1(stage); + case SSPP_VIG2: return MDP5_CTL_LAYER_REG_VIG2(stage); + case SSPP_RGB0: return MDP5_CTL_LAYER_REG_RGB0(stage); + case SSPP_RGB1: return MDP5_CTL_LAYER_REG_RGB1(stage); + case SSPP_RGB2: return MDP5_CTL_LAYER_REG_RGB2(stage); + case SSPP_DMA0: return MDP5_CTL_LAYER_REG_DMA0(stage); + case SSPP_DMA1: return MDP5_CTL_LAYER_REG_DMA1(stage); + case SSPP_VIG3: return MDP5_CTL_LAYER_REG_VIG3(stage); + case SSPP_RGB3: return MDP5_CTL_LAYER_REG_RGB3(stage); + default: return 0; + } +} + +static u32 mdp_ctl_blend_ext_mask(enum mdp5_pipe pipe, + enum mdp_mixer_stage_id stage) +{ + if (stage < STAGE6) + return 0; + + switch (pipe) { + case SSPP_VIG0: return MDP5_CTL_LAYER_EXT_REG_VIG0_BIT3; + case SSPP_VIG1: return MDP5_CTL_LAYER_EXT_REG_VIG1_BIT3; + case SSPP_VIG2: return MDP5_CTL_LAYER_EXT_REG_VIG2_BIT3; + case SSPP_RGB0: return MDP5_CTL_LAYER_EXT_REG_RGB0_BIT3; + case SSPP_RGB1: return MDP5_CTL_LAYER_EXT_REG_RGB1_BIT3; + case SSPP_RGB2: return MDP5_CTL_LAYER_EXT_REG_RGB2_BIT3; + case SSPP_DMA0: return MDP5_CTL_LAYER_EXT_REG_DMA0_BIT3; + case SSPP_DMA1: return MDP5_CTL_LAYER_EXT_REG_DMA1_BIT3; + case SSPP_VIG3: return MDP5_CTL_LAYER_EXT_REG_VIG3_BIT3; + case SSPP_RGB3: return MDP5_CTL_LAYER_EXT_REG_RGB3_BIT3; + default: return 0; + } +} + +int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u8 *stage, u32 stage_cnt, + u32 ctl_blend_op_flags) { unsigned long flags; + u32 blend_cfg = 0, blend_ext_cfg = 0; + int i, start_stage; + + if (ctl_blend_op_flags & MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT) { + start_stage = STAGE0; + blend_cfg |= MDP5_CTL_LAYER_REG_BORDER_COLOR; + } else { + start_stage = STAGE_BASE; + } + + for (i = start_stage; i < start_stage + stage_cnt; i++) { + blend_cfg |= mdp_ctl_blend_mask(stage[i], i); + blend_ext_cfg |= mdp_ctl_blend_ext_mask(stage[i], i); + }

+ spin_lock_irqsave(&ctl->hw_lock, flags); if (ctl->cursor_on) blend_cfg |= MDP5_CTL_LAYER_REG_CURSOR_OUT; - else - blend_cfg &= ~MDP5_CTL_LAYER_REG_CURSOR_OUT;

- spin_lock_irqsave(&ctl->hw_lock, flags); ctl_write(ctl, REG_MDP5_CTL_LAYER_REG(ctl->id, lm), blend_cfg); + ctl_write(ctl, REG_MDP5_CTL_LAYER_EXT_REG(ctl->id, lm), blend_ext_cfg); spin_unlock_irqrestore(&ctl->hw_lock, flags);

ctl->pending_ctl_trigger = mdp_ctl_flush_mask_lm(lm);

+ DBG("lm%d: blend config = 0x%08x. ext_cfg = 0x%08x", lm, + blend_cfg, blend_ext_cfg); + return 0; }

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h index 4678228..ab52675 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h @@ -42,39 +42,19 @@ int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, bool enabled); int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, int cursor_id, bool enable);

/* - * blend_cfg (LM blender config): - * - * The function below allows the caller of mdp5_ctl_blend() to specify how pipes - * are being blended according to their stage (z-order), through @blend_cfg arg. - */ -static inline u32 mdp_ctl_blend_mask(enum mdp5_pipe pipe, - enum mdp_mixer_stage_id stage) -{ - switch (pipe) { - case SSPP_VIG0: return MDP5_CTL_LAYER_REG_VIG0(stage); - case SSPP_VIG1: return MDP5_CTL_LAYER_REG_VIG1(stage); - case SSPP_VIG2: return MDP5_CTL_LAYER_REG_VIG2(stage); - case SSPP_RGB0: return MDP5_CTL_LAYER_REG_RGB0(stage); - case SSPP_RGB1: return MDP5_CTL_LAYER_REG_RGB1(stage); - case SSPP_RGB2: return MDP5_CTL_LAYER_REG_RGB2(stage); - case SSPP_DMA0: return MDP5_CTL_LAYER_REG_DMA0(stage); - case SSPP_DMA1: return MDP5_CTL_LAYER_REG_DMA1(stage); - case SSPP_VIG3: return MDP5_CTL_LAYER_REG_VIG3(stage); - case SSPP_RGB3: return MDP5_CTL_LAYER_REG_RGB3(stage); - default: return 0; - } -} - -/* * mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM) * - * @blend_cfg: see LM blender config definition below + * @stage: array to contain the pipe num for each stage + * @stage_cnt: valid stage number in stage array + * @ctl_blend_op_flags: blender operation mode flags * * Note: * CTL registers need to be flushed after calling this function * (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask) */ -int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg); +#define MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT BIT(0) +int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u8 *stage, u32 stage_cnt, + u32 ctl_blend_op_flags);

/** * mdp_ctl_flush_mask...() - Register FLUSH masks diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h index e0eb245..06af415 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h @@ -70,18 +70,12 @@ struct mdp5_kms { struct mdp5_plane_state { struct drm_plane_state base;

- /* "virtual" zpos.. we calculate actual mixer-stage at runtime - * by sorting the attached planes by zpos and then assigning - * mixer stage lowest to highest. Private planes get default - * zpos of zero, and public planes a unique value that is - * greater than zero. This way, things work out if a naive - * userspace assigns planes to a crtc without setting zpos. - */ - int zpos; + /* aligned with property */ + uint8_t premultiplied; + uint8_t zpos; + uint8_t alpha;

- /* the actual mixer stage, calculated in crtc->atomic_check() - * NOTE: this should move to mdp5_crtc_state, when that exists - */ + /* assigned by crtc blender */ enum mdp_mixer_stage_id stage;

/* some additional transactional status to help us know in the diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 57b8f56..51bb944 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -82,18 +82,118 @@ static void mdp5_plane_destroy(struct drm_plane *plane) kfree(mdp5_plane); }

+static const struct drm_prop_enum_list premultiplied_prop_enum_list[] = { + { 0, "false" }, + { 1, "true" }, +}; + /* helper to install properties which are common to planes and crtcs */ void mdp5_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj) { - // XXX + struct drm_device *dev = plane->dev; + struct msm_drm_private *dev_priv = dev->dev_private; + struct drm_property *prop; + +#define INSTALL_PROPERTY(name, NAME, init_val, fnc, ...) do { \ + prop = dev_priv->plane_property[PLANE_PROP_##NAME]; \ + if (!prop) { \ + prop = drm_property_##fnc(dev, 0, #name, \ + ##__VA_ARGS__); \ + if (!prop) { \ + dev_warn(dev->dev, \ + "Create property %s failed\n", \ + #name); \ + return; \ + } \ + dev_priv->plane_property[PLANE_PROP_##NAME] = prop; \ + } \ + drm_object_attach_property(&plane->base, prop, init_val); \ + } while (0) + +#define INSTALL_RANGE_PROPERTY(name, NAME, min, max, init_val) \ + INSTALL_PROPERTY(name, NAME, init_val, \ + create_range, min, max) + +#define INSTALL_ENUM_PROPERTY(name, NAME, init_val) \ + INSTALL_PROPERTY(name, NAME, init_val, \ + create_enum, name##_prop_enum_list, \ + ARRAY_SIZE(name##_prop_enum_list)) + + INSTALL_RANGE_PROPERTY(zpos, ZPOS, 1, 255, 1); + INSTALL_RANGE_PROPERTY(alpha, ALPHA, 0, 255, 255); + INSTALL_ENUM_PROPERTY(premultiplied, PREMULTIPLIED, 0); + +#undef INSTALL_RANGE_PROPERTY +#undef INSTALL_ENUM_PROPERTY +#undef INSTALL_PROPERTY +} + +static int mdp5_plane_atomic_set_property(struct drm_plane *plane, + struct drm_plane_state *state, struct drm_property *property, + uint64_t val) +{ + struct drm_device *dev = plane->dev; + struct mdp5_plane_state *pstate; + struct msm_drm_private *dev_priv = dev->dev_private; + int ret = 0; + + pstate = to_mdp5_plane_state(state); + +#define SET_PROPERTY(name, NAME, type) do { \ + if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \ + pstate->name = (type)val; \ + DBG("Set property %s %d", #name, (type)val); \ + goto done; \ + } \ + } while (0) + + SET_PROPERTY(zpos, ZPOS, uint8_t); + SET_PROPERTY(alpha, ALPHA, uint8_t); + SET_PROPERTY(premultiplied, PREMULTIPLIED, uint8_t); + + dev_err(dev->dev, "Invalid property\n"); + ret = -EINVAL; +done: + return ret; +#undef SET_PROPERTY }

-int mdp5_plane_set_property(struct drm_plane *plane, +static int mdp5_plane_set_property(struct drm_plane *plane, struct drm_property *property, uint64_t val) { - // XXX - return -EINVAL; + return mdp5_plane_atomic_set_property(plane, plane->state, property, + val); +} + +static int mdp5_plane_atomic_get_property(struct drm_plane *plane, + const struct drm_plane_state *state, + struct drm_property *property, uint64_t *val) +{ + struct drm_device *dev = plane->dev; + struct mdp5_plane_state *pstate; + struct msm_drm_private *dev_priv = dev->dev_private; + int ret = 0; + + pstate = to_mdp5_plane_state(state); + +#define GET_PROPERTY(name, NAME, type) do { \ + if (dev_priv->plane_property[PLANE_PROP_##NAME] == property) { \ + *val = pstate->name; \ + DBG("Get property %s %lld", #name, *val); \ + goto done; \ + } \ + } while (0) + + GET_PROPERTY(zpos, ZPOS, uint8_t); + GET_PROPERTY(alpha, ALPHA, uint8_t); + GET_PROPERTY(premultiplied, PREMULTIPLIED, uint8_t); + + dev_err(dev->dev, "Invalid property\n"); + ret = -EINVAL; +done: + return ret; +#undef SET_PROPERTY }

static void mdp5_plane_reset(struct drm_plane *plane) @@ -106,11 +206,15 @@ static void mdp5_plane_reset(struct drm_plane *plane) kfree(to_mdp5_plane_state(plane->state)); mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);

- if (plane->type == DRM_PLANE_TYPE_PRIMARY) { - mdp5_state->zpos = 0; - } else { - mdp5_state->zpos = 1 + drm_plane_index(plane); - } + /* assign default blend parameters */ + mdp5_state->alpha = 255; + mdp5_state->premultiplied = 0; + + if (plane->type == DRM_PLANE_TYPE_PRIMARY) + mdp5_state->zpos = STAGE_BASE; + else + mdp5_state->zpos = STAGE0 + drm_plane_index(plane); + mdp5_state->base.plane = plane;

plane->state = &mdp5_state->base; @@ -150,6 +254,8 @@ static const struct drm_plane_funcs mdp5_plane_funcs = { .disable_plane = drm_atomic_helper_disable_plane, .destroy = mdp5_plane_destroy, .set_property = mdp5_plane_set_property, + .atomic_set_property = mdp5_plane_atomic_set_property, + .atomic_get_property = mdp5_plane_atomic_get_property, .reset = mdp5_plane_reset, .atomic_duplicate_state = mdp5_plane_duplicate_state, .atomic_destroy_state = mdp5_plane_destroy_state, diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index e7c5ea1..bd64a82 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -64,6 +64,13 @@ struct msm_file_private { int dummy; };

+enum msm_mdp_plane_property { + PLANE_PROP_ZPOS, + PLANE_PROP_ALPHA, + PLANE_PROP_PREMULTIPLIED, + PLANE_PROP_MAX_NUM +}; + struct msm_drm_private {

struct msm_kms *kms; @@ -128,6 +135,9 @@ struct msm_drm_private { unsigned int num_connectors; struct drm_connector *connectors[8];

+ /* Properties */ + struct drm_property *plane_property[PLANE_PROP_MAX_NUM]; + /* VRAM carveout, used when no IOMMU: */ struct { unsigned long size;