We don't actually use fb_id anywhere. We already compare all
parameters that matter to the hardware: pixel format, stride,
fence_reg and ggtt_offset. The ID shouldn't make a difference.
Besides, we already update the FBC data at every modeset/flip, so this
can't change behind our backs.
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 2 --
drivers/gpu/drm/i915/intel_fbc.c | 2 --
2 files changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 65e5771..4763627 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -937,7 +937,6 @@ struct intel_fbc {
struct {
u64 ilk_ggtt_offset;
- uint32_t id;
uint32_t pixel_format;
unsigned int stride;
int fence_reg;
@@ -954,7 +953,6 @@ struct intel_fbc {
struct {
u64 ggtt_offset;
- uint32_t id;
uint32_t pixel_format;
unsigned int stride;
int fence_reg;
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 67dfffc..1485356 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -733,7 +733,6 @@ static void intel_fbc_update_state_cache(struct intel_crtc
*crtc)
* platforms that need. */
if (dev_priv->fbc.activate == ilk_fbc_activate)
cache->fb.ilk_ggtt_offset = i915_gem_obj_ggtt_offset(obj);
- cache->fb.id = fb->base.id;
cache->fb.pixel_format = fb->pixel_format;
cache->fb.stride = fb->pitches[0];
cache->fb.fence_reg = obj->fence_reg;
@@ -856,7 +855,6 @@ static void intel_fbc_get_reg_params(struct intel_crtc
*crtc,
params->crtc.plane = crtc->plane;
params->crtc.fence_y_offset = get_crtc_fence_y_offset(crtc);
- params->fb.id = cache->fb.id;
params->fb.pixel_format = cache->fb.pixel_format;
params->fb.stride = cache->fb.stride;
params->fb.fence_reg = cache->fb.fence_reg;
--
2.6.4
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