xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915: Add g4x watermark tracepoint

Browse Source 
Add a tracepoint for watermark programming on g4x, similar to what we
have on vlv/chv. Should help in debugging watermark programming sequence
issues.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170421181432.15216-15-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
This commit is contained in:
Ville Syrjälä
2017-04-21 21:14:31 +03:00
parent 79d94306ea
commit e93329a5c0
2 changed files with 54 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/i915/intel_pm.c
View File

@@ -913,6 +913,11 @@ static int g4x_tlb_miss_wa(int fifo_size, int width, int cpp)
static void g4x_write_wm_values(struct drm_i915_private *dev_priv,
const struct g4x_wm_values *wm)
{
enum pipe pipe;
for_each_pipe(dev_priv, pipe)
trace_g4x_wm(intel_get_crtc_for_pipe(dev_priv, pipe), wm);
I915_WRITE(DSPFW1,
FW_WM(wm->sr.plane, SR) |
FW_WM(wm->pipe[PIPE_B].plane[PLANE_CURSOR], CURSORB) |