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drm/i915/tgl: Add SFC instdone to error state

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On debugging media workload hangs, sfc instdone
might prove useful in future. Be prepared.

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191029163841.5224-1-mika.kuoppala@linux.intel.com
This commit is contained in:
Mika Kuoppala 2019-10-29 18:38:40 +02:00 committed by Chris Wilson
parent b3545e0868
commit e50dbdbfd9
3 changed files with 19 additions and 0 deletions
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15
drivers/gpu/drm/i915/i915_gpu_error.c
View File

@ -740,6 +740,14 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m,
if (IS_GEN(m->i915, 12))
err_printf(m, "AUX_ERR_DBG: 0x%08x\n", error->aux_err);
if (INTEL_GEN(m->i915) >= 12) {
int i;
for (i = 0; i < GEN12_SFC_DONE_MAX; i++)
err_printf(m, " SFC_DONE[%d]: 0x%08x\n", i,
error->sfc_done[i]);
}
for (ee = error->engine; ee; ee = ee->next)
error_print_engine(m, ee, error->capture);
@ -1599,6 +1607,13 @@ static void capture_reg_state(struct i915_gpu_state *error)
if (IS_GEN(i915, 12))
error->aux_err = intel_uncore_read(uncore, GEN12_AUX_ERR_DBG);
if (INTEL_GEN(i915) >= 12) {
for (i = 0; i < GEN12_SFC_DONE_MAX; i++) {
error->sfc_done[i] =
intel_uncore_read(uncore, GEN12_SFC_DONE(i));
}
}
/* 4: Everything else */
if (INTEL_GEN(i915) >= 11) {
error->ier = intel_uncore_read(uncore, GEN8_DE_MISC_IER);

1
drivers/gpu/drm/i915/i915_gpu_error.h
View File

@ -75,6 +75,7 @@ struct i915_gpu_state {
u32 gfx_mode;
u32 gtt_cache;
u32 aux_err; /* gen12 */
u32 sfc_done[GEN12_SFC_DONE_MAX]; /* gen12 */
u32 nfence;
u64 fence[I915_MAX_NUM_FENCES];

3
drivers/gpu/drm/i915/i915_reg.h
View File

@ -413,6 +413,9 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define GEN11_VECS_SFC_USAGE(engine) _MMIO((engine)->mmio_base + 0x2014)
#define GEN11_VECS_SFC_USAGE_BIT (1 << 0)
#define GEN12_SFC_DONE(n) _MMIO(0x1cc00 + (n) * 0x100)
#define GEN12_SFC_DONE_MAX 4
#define RING_PP_DIR_BASE(base) _MMIO((base) + 0x228)
#define RING_PP_DIR_BASE_READ(base) _MMIO((base) + 0x518)
#define RING_PP_DIR_DCLV(base) _MMIO((base) + 0x220)