A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 10:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

drm/i915/gen9: Add WaFbcTurnOffFbcWatermark

Browse source 
According to bspec this prevents screen corruption when fbc is
used.

v2: This workaround has a name, use it (Ville)
v3: remove bogus gen check on ilk/vlv wm path (Ville)

References: HSD#2135555, HSD#2137270, BSID#562
Cc: Paulo Zanoni <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Signed-off-by: Mika Kuoppala <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 0f78dee6f0)
Signed-off-by: Mika Kuoppala <[email protected]>
This commit is contained in:
Mika Kuoppala 2016-06-07 17:19:16 +03:00 • committed by Mika Kuoppala
commit f20b1ba04e
1 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/gpu/drm/i915/intel_pm.c
View file

@ -68,6 +68,10 @@ static void gen9_init_clock_gating(struct drm_device *dev)
/* WaEnableChickenDCPR:skl,bxt,kbl */
I915_WRITE(GEN8_CHICKEN_DCPR_1,
I915_READ(GEN8_CHICKEN_DCPR_1) | MASK_WAKEMEM);
/* WaFbcTurnOffFbcWatermark:skl,bxt,kbl */
I915_WRITE(DISP_ARB_CTL,
I915_READ(DISP_ARB_CTL) | DISP_FBC_WM_DIS);
}
static void bxt_init_clock_gating(struct drm_device *dev)