Reviewed-by: Clint Taylor <Clinton.A.Taylor@xxxxxxxxx>
-Clint
On 2/13/19 8:54 AM, Ville Syrjala wrote:
From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
This reverts commit bf002c100740f4ae01d0d86b44f65a712ee14031.
The hw team has come up with a better workaround. So
let's get rid of this one.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 1 -
drivers/gpu/drm/i915/intel_display.c | 6 ------
2 files changed, 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0df8c6e76da7..f3f0b53c9e0e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7653,7 +7653,6 @@ enum {
#define _PIPEB_CHICKEN 0x71038
#define _PIPEC_CHICKEN 0x72038
#define PER_PIXEL_ALPHA_BYPASS_EN (1 << 7)
-#define PM_FILL_MAINTAIN_DBUF_FULLNESS (1 << 0)
#define PIPE_CHICKEN(pipe) _MMIO_PIPE(pipe, _PIPEA_CHICKEN,\
_PIPEB_CHICKEN)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0a8913b2059e..73a107b6eb9a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3971,12 +3971,6 @@ static void icl_set_pipe_chicken(struct intel_crtc *crtc)
*/
tmp |= PER_PIXEL_ALPHA_BYPASS_EN;
- /*
- * W/A for underruns with linear/X-tiled with
- * WM1+ disabled.
- */
- tmp |= PM_FILL_MAINTAIN_DBUF_FULLNESS;
-
I915_WRITE(PIPE_CHICKEN(pipe), tmp);
}
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