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drm/i915: BDW can also detect unclaimed registers 

By the time I wrote this patch, it allowed me to catch some problems.
But due to patch reordering - in order to prevent fake "regression"
reports - this patch may be merged after the fixes of the problems
identified by this patch.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2014-07-16 17:49:30 -03:00 committed by Daniel Vetter
parent 5978118c39
commit 66bc2cab19
2 changed files with 7 additions and 0 deletions
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4
drivers/gpu/drm/i915/i915_drv.c
View File

@ -303,6 +303,7 @@ static const struct intel_device_info intel_broadwell_d_info = {
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
.has_llc = 1,
.has_ddi = 1,
.has_fpga_dbg = 1,
.has_fbc = 1,
GEN_DEFAULT_PIPEOFFSETS,
IVB_CURSOR_OFFSETS,
@ -314,6 +315,7 @@ static const struct intel_device_info intel_broadwell_m_info = {
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
.has_llc = 1,
.has_ddi = 1,
.has_fpga_dbg = 1,
.has_fbc = 1,
GEN_DEFAULT_PIPEOFFSETS,
IVB_CURSOR_OFFSETS,
@ -325,6 +327,7 @@ static const struct intel_device_info intel_broadwell_gt3d_info = {
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
.has_llc = 1,
.has_ddi = 1,
.has_fpga_dbg = 1,
.has_fbc = 1,
GEN_DEFAULT_PIPEOFFSETS,
IVB_CURSOR_OFFSETS,
@ -336,6 +339,7 @@ static const struct intel_device_info intel_broadwell_gt3m_info = {
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
.has_llc = 1,
.has_ddi = 1,
.has_fpga_dbg = 1,
.has_fbc = 1,
GEN_DEFAULT_PIPEOFFSETS,
IVB_CURSOR_OFFSETS,

3
drivers/gpu/drm/i915/intel_uncore.c
View File

@ -747,6 +747,7 @@ static bool is_gen8_shadowed(struct drm_i915_private *dev_priv, u32 reg)
static void \
gen8_write##x(struct drm_i915_private *dev_priv, off_t reg, u##x val, bool trace) { \
REG_WRITE_HEADER; \
hsw_unclaimed_reg_debug(dev_priv, reg, false, true); \
if (reg < 0x40000 && !is_gen8_shadowed(dev_priv, reg)) { \
if (dev_priv->uncore.forcewake_count == 0) \
dev_priv->uncore.funcs.force_wake_get(dev_priv, \
@ -758,6 +759,8 @@ gen8_write##x(struct drm_i915_private *dev_priv, off_t reg, u##x val, bool trace
} else { \
__raw_i915_write##x(dev_priv, reg, val); \
} \
hsw_unclaimed_reg_debug(dev_priv, reg, false, false); \
hsw_unclaimed_reg_detect(dev_priv); \
REG_WRITE_FOOTER; \
}