All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] drm/i915: Add missing NULL check before calling initial_watermarks
@ 2016-02-29 19:20 Imre Deak
  2016-02-29 19:49 ` Matt Roper
                   ` (2 more replies)
  0 siblings, 3 replies; 10+ messages in thread
From: Imre Deak @ 2016-02-29 19:20 UTC (permalink / raw)
  To: intel-gfx

Not all platforms set this callback, so NULL check it before calling it.

CC: Matt Roper <matthew.d.roper@intel.com>
Fixes: commit ed4a6a7c ("drm/i915: Add two-stage ILK-style watermark programming (v11)")
Signed-off-by: Imre Deak <imre.deak@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 79bf527..a60018c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4957,7 +4957,8 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
 	 */
 	intel_crtc_load_lut(crtc);
 
-	dev_priv->display.initial_watermarks(intel_crtc->config);
+	if (dev_priv->display.initial_watermarks != NULL)
+		dev_priv->display.initial_watermarks(intel_crtc->config);
 	intel_enable_pipe(intel_crtc);
 
 	if (intel_crtc->config->has_pch_encoder)
@@ -5056,7 +5057,8 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
 	if (!intel_crtc->config->has_dsi_encoder)
 		intel_ddi_enable_transcoder_func(crtc);
 
-	dev_priv->display.initial_watermarks(pipe_config);
+	if (dev_priv->display.initial_watermarks != NULL)
+		dev_priv->display.initial_watermarks(pipe_config);
 	intel_enable_pipe(intel_crtc);
 
 	if (intel_crtc->config->has_pch_encoder)
-- 
2.5.0

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

^ permalink raw reply related	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2016-03-01 11:30 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-02-29 19:20 [PATCH] drm/i915: Add missing NULL check before calling initial_watermarks Imre Deak
2016-02-29 19:49 ` Matt Roper
2016-02-29 20:10 ` [PATCH v2] " Imre Deak
2016-02-29 21:06   ` Matt Roper
2016-02-29 21:35     ` Imre Deak
2016-03-01  7:24 ` ✗ Fi.CI.BAT: failure for drm/i915: Add missing NULL check before calling initial_watermarks (rev2) Patchwork
2016-03-01 10:32   ` Imre Deak
2016-03-01 10:42     ` Imre Deak
2016-03-01 10:45     ` Ville Syrjälä
2016-03-01 11:30       ` Imre Deak

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.