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drm/i915: Add some more registers to error state

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Chris:
Do we also want to capture?
  GAC_ECO_BITS /* gen6,7 */
  GAM_ECOCHK /* gen6,7 */
  GAB_CTL /* gen6 */
  GFX_MODE /* gen6 */

Requested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2014-01-30 00:19:39 -08:00 committed by Daniel Vetter
parent 362b8af7ad
commit 91ec5d11ab
2 changed files with 14 additions and 1 deletions
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4
drivers/gpu/drm/i915/i915_drv.h
View file

@ -307,6 +307,10 @@ struct drm_i915_error_state {
u32 error; /* gen6+ */
u32 err_int; /* gen7 */
u32 done_reg;
u32 gac_eco;
u32 gam_ecochk;
u32 gab_ctl;
u32 gfx_mode;
u32 extra_instdone[I915_NUM_INSTDONE_REG];
u32 pipestat[I915_MAX_PIPES];
u64 fence[I915_MAX_NUM_FENCES];

11
drivers/gpu/drm/i915/i915_gpu_error.c
View file

@ -1001,8 +1001,11 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
if (IS_GEN7(dev))
error->err_int = I915_READ(GEN7_ERR_INT);
if (IS_GEN6(dev))
if (IS_GEN6(dev)) {
error->forcewake = I915_READ(FORCEWAKE);
error->gab_ctl = I915_READ(GAB_CTL);
error->gfx_mode = I915_READ(GFX_MODE);
}
if (IS_GEN2(dev))
error->ier = I915_READ16(IER);
@ -1018,6 +1021,12 @@ static void i915_capture_reg_state(struct drm_i915_private *dev_priv,
}
/* 3: Feature specific registers */
if (IS_GEN6(dev) || IS_GEN7(dev)) {
error->gam_ecochk = I915_READ(GAM_ECOCHK);
error->gac_eco = I915_READ(GAC_ECO_BITS);
}
/* 4: Everything else */
if (HAS_HW_CONTEXTS(dev))
error->ccid = I915_READ(CCID);