drm/i915: Implement WaVcpClkGateDisableForMediaReset:ctg, elk
Apparently we need to disable VCP unit clock gating around media reset
on g4x.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 9b3681e..5122254 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1835,6 +1835,10 @@
#define VF_UNIT_CLOCK_GATE_DISABLE (1 << 9)
#define GS_UNIT_CLOCK_GATE_DISABLE (1 << 7)
#define CL_UNIT_CLOCK_GATE_DISABLE (1 << 6)
+
+#define VDECCLK_GATE_D 0x620C /* g4x only */
+#define VCP_UNIT_CLOCK_GATE_DISABLE (1 << 4)
+
#define RAMCLK_GATE_D 0x6210 /* CRL only */
#define DEUC 0x6214 /* CRL only */