Message ID | 1429141956-2338-4-git-send-email-rodrigo.vivi@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On ke, 2015-04-15 at 16:52 -0700, Rodrigo Vivi wrote: > From: Imre Deak <imre.deak@intel.com> > > Due this typo we don't save/restore the GFX_MAX_REQ_COUNT register across > suspend/resume, so fix this. > > This was introduced in > > commit ddeea5b0c36f3665446518c609be91f9336ef674 > Author: Imre Deak <imre.deak@intel.com> > Date: Mon May 5 15:19:56 2014 +0300 > > drm/i915: vlv: add runtime PM support > > I noticed this only by reading the code. To my knowledge it shouldn't > cause any real problems at the moment, since the power well backing this > register remains on across a runtime s/r. This may change once > system-wide s0ix functionality is enabled in the kernel. > > v2: > - resend after a missing git add -u :/ > > Signed-off-by: Imre Deak <imre.deak@intel.com> > Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com) > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> [ http://lists.freedesktop.org/archives/intel-gfx/2015-March/062336.html ] > --- > drivers/gpu/drm/i915/i915_drv.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c > index c3fdbb0..e179da6 100644 > --- a/drivers/gpu/drm/i915/i915_drv.c > +++ b/drivers/gpu/drm/i915/i915_drv.c > @@ -1051,7 +1051,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) > s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS_BASE + i * 4); > > s->media_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); > - s->gfx_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); > + s->gfx_max_req_count = I915_READ(GEN7_GFX_MAX_REQ_COUNT); > > s->render_hwsp = I915_READ(RENDER_HWS_PGA_GEN7); > s->ecochk = I915_READ(GAM_ECOCHK); > @@ -1133,7 +1133,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv) > I915_WRITE(GEN7_LRA_LIMITS_BASE + i * 4, s->lra_limits[i]); > > I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count); > - I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->gfx_max_req_count); > + I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count); > > I915_WRITE(RENDER_HWS_PGA_GEN7, s->render_hwsp); > I915_WRITE(GAM_ECOCHK, s->ecochk);
On Thu, Apr 16, 2015 at 09:45:01AM +0300, Imre Deak wrote: > On ke, 2015-04-15 at 16:52 -0700, Rodrigo Vivi wrote: > > From: Imre Deak <imre.deak@intel.com> > > > > Due this typo we don't save/restore the GFX_MAX_REQ_COUNT register across > > suspend/resume, so fix this. > > > > This was introduced in > > > > commit ddeea5b0c36f3665446518c609be91f9336ef674 > > Author: Imre Deak <imre.deak@intel.com> > > Date: Mon May 5 15:19:56 2014 +0300 > > > > drm/i915: vlv: add runtime PM support > > > > I noticed this only by reading the code. To my knowledge it shouldn't > > cause any real problems at the moment, since the power well backing this > > register remains on across a runtime s/r. This may change once > > system-wide s0ix functionality is enabled in the kernel. > > > > v2: > > - resend after a missing git add -u :/ > > > > Signed-off-by: Imre Deak <imre.deak@intel.com> > > Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com) > > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> > > Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> > [ http://lists.freedesktop.org/archives/intel-gfx/2015-March/062336.html ] Cc: stable@vger.kernel.org I guess plus for Jani. -Daniel > > > --- > > drivers/gpu/drm/i915/i915_drv.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c > > index c3fdbb0..e179da6 100644 > > --- a/drivers/gpu/drm/i915/i915_drv.c > > +++ b/drivers/gpu/drm/i915/i915_drv.c > > @@ -1051,7 +1051,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) > > s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS_BASE + i * 4); > > > > s->media_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); > > - s->gfx_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); > > + s->gfx_max_req_count = I915_READ(GEN7_GFX_MAX_REQ_COUNT); > > > > s->render_hwsp = I915_READ(RENDER_HWS_PGA_GEN7); > > s->ecochk = I915_READ(GAM_ECOCHK); > > @@ -1133,7 +1133,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv) > > I915_WRITE(GEN7_LRA_LIMITS_BASE + i * 4, s->lra_limits[i]); > > > > I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count); > > - I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->gfx_max_req_count); > > + I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count); > > > > I915_WRITE(RENDER_HWS_PGA_GEN7, s->render_hwsp); > > I915_WRITE(GAM_ECOCHK, s->ecochk); > >
On Thu, 16 Apr 2015, Daniel Vetter <daniel@ffwll.ch> wrote: > On Thu, Apr 16, 2015 at 09:45:01AM +0300, Imre Deak wrote: >> On ke, 2015-04-15 at 16:52 -0700, Rodrigo Vivi wrote: >> > From: Imre Deak <imre.deak@intel.com> >> > >> > Due this typo we don't save/restore the GFX_MAX_REQ_COUNT register across >> > suspend/resume, so fix this. >> > >> > This was introduced in >> > >> > commit ddeea5b0c36f3665446518c609be91f9336ef674 >> > Author: Imre Deak <imre.deak@intel.com> >> > Date: Mon May 5 15:19:56 2014 +0300 >> > >> > drm/i915: vlv: add runtime PM support >> > >> > I noticed this only by reading the code. To my knowledge it shouldn't >> > cause any real problems at the moment, since the power well backing this >> > register remains on across a runtime s/r. This may change once >> > system-wide s0ix functionality is enabled in the kernel. >> > >> > v2: >> > - resend after a missing git add -u :/ >> > >> > Signed-off-by: Imre Deak <imre.deak@intel.com> >> > Tested-By: PRC QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com) >> > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> >> >> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> >> [ http://lists.freedesktop.org/archives/intel-gfx/2015-March/062336.html ] > > Cc: stable@vger.kernel.org I guess plus for Jani. Pushed to drm-intel-next-fixes, thanks for the patch and review. BR, Jani. > -Daniel > >> >> > --- >> > drivers/gpu/drm/i915/i915_drv.c | 4 ++-- >> > 1 file changed, 2 insertions(+), 2 deletions(-) >> > >> > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c >> > index c3fdbb0..e179da6 100644 >> > --- a/drivers/gpu/drm/i915/i915_drv.c >> > +++ b/drivers/gpu/drm/i915/i915_drv.c >> > @@ -1051,7 +1051,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) >> > s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS_BASE + i * 4); >> > >> > s->media_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); >> > - s->gfx_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); >> > + s->gfx_max_req_count = I915_READ(GEN7_GFX_MAX_REQ_COUNT); >> > >> > s->render_hwsp = I915_READ(RENDER_HWS_PGA_GEN7); >> > s->ecochk = I915_READ(GAM_ECOCHK); >> > @@ -1133,7 +1133,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv) >> > I915_WRITE(GEN7_LRA_LIMITS_BASE + i * 4, s->lra_limits[i]); >> > >> > I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count); >> > - I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->gfx_max_req_count); >> > + I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count); >> > >> > I915_WRITE(RENDER_HWS_PGA_GEN7, s->render_hwsp); >> > I915_WRITE(GAM_ECOCHK, s->ecochk); >> >> > > -- > Daniel Vetter > Software Engineer, Intel Corporation > http://blog.ffwll.ch
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index c3fdbb0..e179da6 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1051,7 +1051,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv) s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS_BASE + i * 4); s->media_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); - s->gfx_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT); + s->gfx_max_req_count = I915_READ(GEN7_GFX_MAX_REQ_COUNT); s->render_hwsp = I915_READ(RENDER_HWS_PGA_GEN7); s->ecochk = I915_READ(GAM_ECOCHK); @@ -1133,7 +1133,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv) I915_WRITE(GEN7_LRA_LIMITS_BASE + i * 4, s->lra_limits[i]); I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count); - I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->gfx_max_req_count); + I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count); I915_WRITE(RENDER_HWS_PGA_GEN7, s->render_hwsp); I915_WRITE(GAM_ECOCHK, s->ecochk);