From: Chris Ball cjb@laptop.org
Tested on nv50 and nv04 HW.
Signed-off-by: Chris Ball cjb@laptop.org Signed-off-by: Jason Wessel jason.wessel@windriver.com CC: Jesse Barnes jbarnes@virtuousgeek.org CC: David Airlie airlied@linux.ie CC: dri-devel@lists.freedesktop.org --- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 6 ++++ drivers/gpu/drm/nouveau/nv04_crtc.c | 45 +++++++++++++++++++++++----- drivers/gpu/drm/nouveau/nv50_crtc.c | 48 ++++++++++++++++++++++-------- 3 files changed, 78 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index dbd30b2..02a4d1f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -104,6 +104,8 @@ static struct fb_ops nouveau_fbcon_ops = { .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, + .fb_debug_enter = drm_fb_helper_debug_enter, + .fb_debug_leave = drm_fb_helper_debug_leave, };
static struct fb_ops nv04_fbcon_ops = { @@ -117,6 +119,8 @@ static struct fb_ops nv04_fbcon_ops = { .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, + .fb_debug_enter = drm_fb_helper_debug_enter, + .fb_debug_leave = drm_fb_helper_debug_leave, };
static struct fb_ops nv50_fbcon_ops = { @@ -130,6 +134,8 @@ static struct fb_ops nv50_fbcon_ops = { .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, + .fb_debug_enter = drm_fb_helper_debug_enter, + .fb_debug_leave = drm_fb_helper_debug_leave, };
static void nouveau_fbcon_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c index 497df87..9d214f5 100644 --- a/drivers/gpu/drm/nouveau/nv04_crtc.c +++ b/drivers/gpu/drm/nouveau/nv04_crtc.c @@ -768,8 +768,9 @@ nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start, }
static int -nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) +nv04_crtc_do_mode_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *passed_fb, + int x, int y, bool atomic) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_device *dev = crtc->dev; @@ -780,13 +781,25 @@ nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, int arb_burst, arb_lwm; int ret;
- ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); - if (ret) - return ret; + /* If atomic, we want to switch to the fb we were passed, so + * now we update pointers to do that. (We don't pin; just + * assume we're already pinned and update the base address.) + */ + if (atomic) { + drm_fb = passed_fb; + fb = nouveau_framebuffer(passed_fb); + } else { + /* If not atomic, we can go ahead and pin, and unpin the + * old fb we were passed. + */ + ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); + if (ret) + return ret;
- if (old_fb) { - struct nouveau_framebuffer *ofb = nouveau_framebuffer(old_fb); - nouveau_bo_unpin(ofb->nvbo); + if (passed_fb) { + struct nouveau_framebuffer *ofb = nouveau_framebuffer(passed_fb); + nouveau_bo_unpin(ofb->nvbo); + } }
nv_crtc->fb.offset = fb->nvbo->bo.offset; @@ -834,6 +847,21 @@ nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, return 0; }
+static int +nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) +{ + return nv04_crtc_do_mode_set_base(crtc, old_fb, x, y, false); +} + +static int +nv04_crtc_mode_set_base_atomic(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y) +{ + return nv04_crtc_do_mode_set_base(crtc, fb, x, y, true); +} + static void nv04_cursor_upload(struct drm_device *dev, struct nouveau_bo *src, struct nouveau_bo *dst) { @@ -962,6 +990,7 @@ static const struct drm_crtc_helper_funcs nv04_crtc_helper_funcs = { .mode_fixup = nv_crtc_mode_fixup, .mode_set = nv_crtc_mode_set, .mode_set_base = nv04_crtc_mode_set_base, + .mode_set_base_atomic = nv04_crtc_mode_set_base_atomic, .load_lut = nv_crtc_gamma_load, };
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c index bfd4ca2..a75f25f 100644 --- a/drivers/gpu/drm/nouveau/nv50_crtc.c +++ b/drivers/gpu/drm/nouveau/nv50_crtc.c @@ -491,8 +491,9 @@ nv50_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode, }
static int -nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb, bool update) +nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *passed_fb, + int x, int y, bool update, bool atomic) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_device *dev = nv_crtc->base.dev; @@ -504,6 +505,27 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, int x, int y,
NV_DEBUG_KMS(dev, "index %d\n", nv_crtc->index);
+ /* If atomic, we want to switch to the fb we were passed, so + * now we update pointers to do that. (We don't pin; just + * assume we're already pinned and update the base address.) + */ + if (atomic) { + drm_fb = passed_fb; + fb = nouveau_framebuffer(passed_fb); + } else { + /* If not atomic, we can go ahead and pin, and unpin the + * old fb we were passed. + */ + ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); + if (ret) + return ret; + + if (passed_fb) { + struct nouveau_framebuffer *ofb = nouveau_framebuffer(passed_fb); + nouveau_bo_unpin(ofb->nvbo); + } + } + switch (drm_fb->depth) { case 8: format = NV50_EVO_CRTC_FB_DEPTH_8; @@ -526,15 +548,6 @@ nv50_crtc_do_mode_set_base(struct drm_crtc *crtc, int x, int y, return -EINVAL; }
- ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); - if (ret) - return ret; - - if (old_fb) { - struct nouveau_framebuffer *ofb = nouveau_framebuffer(old_fb); - nouveau_bo_unpin(ofb->nvbo); - } - nv_crtc->fb.offset = fb->nvbo->bo.offset - dev_priv->vm_vram_base; nv_crtc->fb.tile_flags = fb->nvbo->tile_flags; nv_crtc->fb.cpp = drm_fb->bits_per_pixel / 8; @@ -685,14 +698,22 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering, false); nv_crtc->set_scale(nv_crtc, nv_connector->scaling_mode, false);
- return nv50_crtc_do_mode_set_base(crtc, x, y, old_fb, false); + return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, false, false); }
static int nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { - return nv50_crtc_do_mode_set_base(crtc, x, y, old_fb, true); + return nv50_crtc_do_mode_set_base(crtc, old_fb, x, y, true, false); +} + +static int +nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int x, int y) +{ + return nv50_crtc_do_mode_set_base(crtc, fb, x, y, true, true); }
static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = { @@ -702,6 +723,7 @@ static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = { .mode_fixup = nv50_crtc_mode_fixup, .mode_set = nv50_crtc_mode_set, .mode_set_base = nv50_crtc_mode_set_base, + .mode_set_base_atomic = nv50_crtc_mode_set_base_atomic, .load_lut = nv50_crtc_lut_load, };