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drm/i915: Don't wait for PCH on reset

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BIOS should be setting this, but in case it doesn't...

v2: Define the bits we actually want to clear (Jesse)
Make it an RMW op (Jesse)

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky
2013-04-05 13:12:43 -07:00
committed by Daniel Vetter
parent ab5c608b2d
commit 88a2b2a32d
2 changed files with 9 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_reg.h
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@@ -3568,6 +3568,9 @@
#define DISP_ARB_CTL 0x45000
#define DISP_TILE_SURFACE_SWIZZLING (1<<13)
#define DISP_FBC_WM_DIS (1<<15)
#define GEN7_MSG_CTL 0x45010
#define WAIT_FOR_PCH_RESET_ACK (1<<1)
#define WAIT_FOR_PCH_FLR_ACK (1<<0)
/* GEN7 chicken */
#define GEN7_COMMON_SLICE_CHICKEN1 0x7010