Komeda series hardware doesn't support Rot90 for AFBC wide block. So add limitation check to reject it if such configuration has been posted.
Signed-off-by: Lowry Li (Arm Technology China) lowry.li@arm.com --- drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c | 15 +++++++++++++++ .../gpu/drm/arm/display/komeda/komeda_format_caps.c | 7 ++++++- .../gpu/drm/arm/display/komeda/komeda_format_caps.h | 8 +++++++- .../gpu/drm/arm/display/komeda/komeda_framebuffer.c | 18 +++++++++--------- .../gpu/drm/arm/display/komeda/komeda_framebuffer.h | 5 +++-- .../gpu/drm/arm/display/komeda/komeda_pipeline_state.c | 8 +++++++- drivers/gpu/drm/arm/display/komeda/komeda_plane.c | 2 +- 7 files changed, 48 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c index 34506ef..9603de9 100644 --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c @@ -494,11 +494,26 @@ static int d71_enum_resources(struct komeda_dev *mdev) {__HW_ID(6, 7), 0/*DRM_FORMAT_YUV420_10BIT*/, 1, RICH, Rot_ALL_H_V, LYT_NM, AFB_TH}, };
+static bool d71_format_mod_supported(const struct komeda_format_caps *caps, + u32 layer_type, u64 modifier, u32 rot) +{ + uint64_t layout = modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK; + + if ((layout == AFBC_FORMAT_MOD_BLOCK_SIZE_32x8) && + drm_rotation_90_or_270(rot)) { + DRM_DEBUG_ATOMIC("D71 doesn't support ROT90 for WB-AFBC.\n"); + return false; + } + + return true; +} + static void d71_init_fmt_tbl(struct komeda_dev *mdev) { struct komeda_format_caps_table *table = &mdev->fmt_tbl;
table->format_caps = d71_format_caps_table; + table->format_mod_supported = d71_format_mod_supported; table->n_formats = ARRAY_SIZE(d71_format_caps_table); }
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c index b219514..cd4d9f5 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c @@ -74,7 +74,8 @@ };
bool komeda_format_mod_supported(struct komeda_format_caps_table *table, - u32 layer_type, u32 fourcc, u64 modifier) + u32 layer_type, u32 fourcc, u64 modifier, + u32 rot) { const struct komeda_format_caps *caps;
@@ -85,6 +86,10 @@ bool komeda_format_mod_supported(struct komeda_format_caps_table *table, if (!(caps->supported_layer_types & layer_type)) return false;
+ if (table->format_mod_supported) + return table->format_mod_supported(caps, layer_type, modifier, + rot); + return true; }
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h index 96de22e..381e873 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h @@ -71,10 +71,15 @@ struct komeda_format_caps { * * @n_formats: the size of format_caps list. * @format_caps: format_caps list. + * @format_mod_supported: Optional. Some HW may have special requirements or + * limitations which can not be described by format_caps, this func supply HW + * the ability to do the further HW specific check. */ struct komeda_format_caps_table { u32 n_formats; const struct komeda_format_caps *format_caps; + bool (*format_mod_supported)(const struct komeda_format_caps *caps, + u32 layer_type, u64 modifier, u32 rot); };
extern u64 komeda_supported_modifiers[]; @@ -100,6 +105,7 @@ u32 *komeda_get_layer_fourcc_list(struct komeda_format_caps_table *table, void komeda_put_fourcc_list(u32 *fourcc_list);
bool komeda_format_mod_supported(struct komeda_format_caps_table *table, - u32 layer_type, u32 fourcc, u64 modifier); + u32 layer_type, u32 fourcc, u64 modifier, + u32 rot);
#endif diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c index f842c88..d5822a3 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c @@ -239,20 +239,20 @@ struct drm_framebuffer * }
/* if the fb can be supported by a specific layer */ -bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type) +bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type, + u32 rot) { struct drm_framebuffer *fb = &kfb->base; struct komeda_dev *mdev = fb->dev->dev_private; - const struct komeda_format_caps *caps; u32 fourcc = fb->format->format; u64 modifier = fb->modifier; + bool supported;
- caps = komeda_get_format_caps(&mdev->fmt_tbl, fourcc, modifier); - if (!caps) - return false; + supported = komeda_format_mod_supported(&mdev->fmt_tbl, layer_type, + fourcc, modifier, rot); + if (!supported) + DRM_DEBUG_ATOMIC("Layer TYPE: %d doesn't support fb FMT: %s.\n", + layer_type, komeda_get_format_name(fourcc, modifier));
- if (!(caps->supported_layer_types & layer_type)) - return false; - - return true; + return supported; } diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h index e3bab0d..6cbb2f6 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h @@ -35,9 +35,10 @@ struct komeda_fb {
struct drm_framebuffer * komeda_fb_create(struct drm_device *dev, struct drm_file *file, - const struct drm_mode_fb_cmd2 *mode_cmd); + const struct drm_mode_fb_cmd2 *mode_cmd); dma_addr_t komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane); -bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type); +bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type, + u32 rot);
#endif diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c index 8c133e4..711dadc 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c @@ -252,6 +252,11 @@ struct komeda_pipeline_state * struct komeda_plane_state *kplane_st, struct komeda_data_flow_cfg *dflow) { + struct komeda_fb *kfb = to_kfb(kplane_st->base.fb); + + if (!komeda_fb_is_layer_supported(kfb, layer->layer_type, dflow->rot)) + return -EINVAL; + if (!in_range(&layer->hsize_in, dflow->in_w)) { DRM_DEBUG_ATOMIC("src_w: %d is out of range.\n", dflow->in_w); return -EINVAL; @@ -337,7 +342,8 @@ struct komeda_pipeline_state * struct komeda_layer_state *st; int i;
- if (!komeda_fb_is_layer_supported(kfb, wb_layer->layer_type)) + if (!komeda_fb_is_layer_supported(kfb, wb_layer->layer_type, + dflow->rot)) return -EINVAL;
c_st = komeda_component_get_state_and_set_user(&wb_layer->base, diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c index 5e5bfdb..aae6fe6 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c @@ -170,7 +170,7 @@ static void komeda_plane_reset(struct drm_plane *plane) u32 layer_type = kplane->layer->layer_type;
return komeda_format_mod_supported(&mdev->fmt_tbl, layer_type, - format, modifier); + format, modifier, 0); }
static const struct drm_plane_funcs komeda_plane_funcs = {