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authorDave Airlie <airlied@redhat.com>2019-02-11 13:41:53 +1000
committerDave Airlie <airlied@redhat.com>2019-02-11 13:41:59 +1000
commit5ea3998d56346975c2701df18fb5b6e3ab5c8d9e (patch)
tree07a9f5d74cc761cc73e66cefd0b7498341a8329f /drivers/gpu/drm/i915/i915_drv.c
parent38f070eb125a9253ec1acd641e7159555f57132a (diff)
parentc09d39166d8a3f3788680b32dbb0a40a70de32e2 (diff)
downloadtalos-op-linux-5ea3998d56346975c2701df18fb5b6e3ab5c8d9e.tar.gz
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Merge tag 'drm-intel-next-2019-02-07' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
UAPI Changes: - Expose RPCS (SSEU) configuration to userspace for Ice Lake in order to allow userspace to reconfigure the subslice config per context basis. (Tvrtko, Lionel) Driver Changes: - Execbuf and preemption improvements including selftests (Chris) - Rename HAS_GMCH_DISPLAY/HAS_GMCH (Rodrigo) - Debugfs error handling fix for robustness (Greg) - Improve reg_rw traces (Ville) - Push clear_intel_crtc_state onto the heap (Chris) - Watermark fixes for Ice Lake (Ville) - Fix enable count array size and bounds checking (Tvrtko) - MST Fixes (Lyude) - Prevent race and handle error on I915_GEM_MMAP (Joonas) - Initial rework for an full atomic gamma mode (Ville) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190208165000.GA30314@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index a7aaa1ac4c99..7de90701f6f1 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2543,6 +2543,10 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv)
static int vlv_wait_for_pw_status(struct drm_i915_private *dev_priv,
u32 mask, u32 val)
{
+ i915_reg_t reg = VLV_GTLC_PW_STATUS;
+ u32 reg_value;
+ int ret;
+
/* The HW does not like us polling for PW_STATUS frequently, so
* use the sleeping loop rather than risk the busy spin within
* intel_wait_for_register().
@@ -2550,8 +2554,12 @@ static int vlv_wait_for_pw_status(struct drm_i915_private *dev_priv,
* Transitioning between RC6 states should be at most 2ms (see
* valleyview_enable_rps) so use a 3ms timeout.
*/
- return wait_for((I915_READ_NOTRACE(VLV_GTLC_PW_STATUS) & mask) == val,
- 3);
+ ret = wait_for(((reg_value = I915_READ_NOTRACE(reg)) & mask) == val, 3);
+
+ /* just trace the final value */
+ trace_i915_reg_rw(false, reg, reg_value, sizeof(reg_value), true);
+
+ return ret;
}
int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool force_on)
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