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authorVille Syrjälä <ville.syrjala@linux.intel.com>2019-10-15 22:30:23 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2019-10-24 21:22:25 +0300
commit6c066f4c99e1c7a481d8cefd0723e8feadbc1fa0 (patch)
treefc23b443d9d874d4642e3570ed9dc4f15925ca1b /drivers/gpu/drm/i915/display/intel_cdclk.c
parent71b1c99081aec38b947d678b78a1ebe75c7260db (diff)
downloadlinux-6c066f4c99e1c7a481d8cefd0723e8feadbc1fa0.tar.bz2
drm/i915: Add debugs to distingiush a cd2x update from a full cdclk pll update
To make the logs a bit less confusing let's toss in some debug prints to indicate whether the cdclk reprogramming is going to happen with a single pipe active or whether we need to turn all pipes off for the duration. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191015193035.25982-2-ville.syrjala@linux.intel.com Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cdclk.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cdclk.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 3d867963a6d1..6eaebc38ee01 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2343,6 +2343,9 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)
return ret;
state->cdclk.pipe = pipe;
+
+ DRM_DEBUG_KMS("Can change cdclk with pipe %c active\n",
+ pipe_name(pipe));
} else if (intel_cdclk_needs_modeset(&dev_priv->cdclk.actual,
&state->cdclk.actual)) {
ret = intel_modeset_all_pipes(state);
@@ -2350,6 +2353,8 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)
return ret;
state->cdclk.pipe = INVALID_PIPE;
+
+ DRM_DEBUG_KMS("Modeset required for cdclk change\n");
}
DRM_DEBUG_KMS("New cdclk calculated to be logical %u kHz, actual %u kHz\n",