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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-03-15 15:59:58 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-04-13 17:18:30 +0300 |
| commit | 7cfd1a18c5f9697639cf85fc1aadd6997de085fa (patch) | |
| tree | 4753dd6ad69fb894496cba72a10614c76f290eac /drivers/gpu | |
| parent | de5bd083d247cfcc0c21524366b473967fef7031 (diff) | |
| download | linux-stable-7cfd1a18c5f9697639cf85fc1aadd6997de085fa.tar.gz linux-stable-7cfd1a18c5f9697639cf85fc1aadd6997de085fa.tar.bz2 linux-stable-7cfd1a18c5f9697639cf85fc1aadd6997de085fa.zip | |
drm/i915: Remove remaining locks from i9xx plane udpates
Now that fbc no longer nukes while a flip is pending we can
remove the last uncore.lock from the i9xx plane code.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315140001.1172-5-ville.syrjala@linux.intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/i9xx_plane.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/i9xx_plane.c b/drivers/gpu/drm/i915/display/i9xx_plane.c index af190bacdd97..7fe1a4e57654 100644 --- a/drivers/gpu/drm/i915/display/i9xx_plane.c +++ b/drivers/gpu/drm/i915/display/i9xx_plane.c @@ -449,7 +449,6 @@ static void i9xx_plane_update_arm(struct intel_plane *plane, int x = plane_state->view.color_plane[0].x; int y = plane_state->view.color_plane[0].y; u32 dspcntr, dspaddr_offset, linear_offset; - unsigned long irqflags; dspcntr = plane_state->ctl | i9xx_plane_ctl_crtc(crtc_state); @@ -490,15 +489,12 @@ static void i9xx_plane_update_arm(struct intel_plane *plane, */ intel_de_write_fw(dev_priv, DSPCNTR(i9xx_plane), dspcntr); - /* lock to protect against rmw in fbc nuke */ - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); if (DISPLAY_VER(dev_priv) >= 4) intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane), intel_plane_ggtt_offset(plane_state) + dspaddr_offset); else intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane), intel_plane_ggtt_offset(plane_state) + dspaddr_offset); - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void i830_plane_update_arm(struct intel_plane *plane, @@ -520,7 +516,6 @@ static void i9xx_plane_disable_arm(struct intel_plane *plane, { struct drm_i915_private *dev_priv = to_i915(plane->base.dev); enum i9xx_plane_id i9xx_plane = plane->i9xx_plane; - unsigned long irqflags; u32 dspcntr; /* @@ -537,13 +532,10 @@ static void i9xx_plane_disable_arm(struct intel_plane *plane, intel_de_write_fw(dev_priv, DSPCNTR(i9xx_plane), dspcntr); - /* lock to protect against rmw in fbc nuke */ - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); if (DISPLAY_VER(dev_priv) >= 4) intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane), 0); else intel_de_write_fw(dev_priv, DSPADDR(i9xx_plane), 0); - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void @@ -556,18 +548,14 @@ g4x_primary_async_flip(struct intel_plane *plane, u32 dspcntr = plane_state->ctl | i9xx_plane_ctl_crtc(crtc_state); u32 dspaddr_offset = plane_state->view.color_plane[0].offset; enum i9xx_plane_id i9xx_plane = plane->i9xx_plane; - unsigned long irqflags; if (async_flip) dspcntr |= DISP_ASYNC_FLIP; intel_de_write_fw(dev_priv, DSPCNTR(i9xx_plane), dspcntr); - /* lock to protect against rmw in fbc nuke */ - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); intel_de_write_fw(dev_priv, DSPSURF(i9xx_plane), intel_plane_ggtt_offset(plane_state) + dspaddr_offset); - spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } static void |