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path: root/drivers/gpu/drm/i915/display/intel_cdclk.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cdclk.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cdclk.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index bb91dace304a..cb93f6cf6d37 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -326,7 +326,7 @@ static void pnv_get_cdclk(struct drm_i915_private *dev_priv,
default:
drm_err(&dev_priv->drm,
"Unknown pnv display core clock 0x%04x\n", gcfgc);
- /* fall through */
+ fallthrough;
case GC_DISPLAY_CLOCK_133_MHZ_PNV:
cdclk_config->cdclk = 133333;
break;
@@ -766,7 +766,7 @@ static void bdw_set_cdclk(struct drm_i915_private *dev_priv,
switch (cdclk) {
default:
MISSING_CASE(cdclk);
- /* fall through */
+ fallthrough;
case 337500:
val |= LCPLL_CLK_FREQ_337_5_BDW;
break;
@@ -1042,7 +1042,7 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv,
drm_WARN_ON(&dev_priv->drm,
cdclk != dev_priv->cdclk.hw.bypass);
drm_WARN_ON(&dev_priv->drm, vco != 0);
- /* fall through */
+ fallthrough;
case 308571:
case 337500:
freq_select = CDCLK_FREQ_337_308;
@@ -1333,7 +1333,7 @@ static void icl_readout_refclk(struct drm_i915_private *dev_priv,
switch (dssm) {
default:
MISSING_CASE(dssm);
- /* fall through */
+ fallthrough;
case ICL_DSSM_CDCLK_PLL_REFCLK_24MHz:
cdclk_config->ref = 24000;
break;
@@ -1561,7 +1561,7 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
drm_WARN_ON(&dev_priv->drm,
cdclk != dev_priv->cdclk.hw.bypass);
drm_WARN_ON(&dev_priv->drm, vco != 0);
- /* fall through */
+ fallthrough;
case 2:
divider = BXT_CDCLK_CD2X_DIV_SEL_1;
break;
@@ -2426,7 +2426,6 @@ static struct intel_global_state *intel_cdclk_duplicate_state(struct intel_globa
if (!cdclk_state)
return NULL;
- cdclk_state->force_min_cdclk_changed = false;
cdclk_state->pipe = INVALID_PIPE;
return &cdclk_state->base;
@@ -2501,6 +2500,7 @@ int intel_modeset_calc_cdclk(struct intel_atomic_state *state)
if (ret)
return ret;
} else if (old_cdclk_state->active_pipes != new_cdclk_state->active_pipes ||
+ old_cdclk_state->force_min_cdclk != new_cdclk_state->force_min_cdclk ||
intel_cdclk_changed(&old_cdclk_state->logical,
&new_cdclk_state->logical)) {
ret = intel_atomic_lock_global_state(&new_cdclk_state->base);
@@ -2677,7 +2677,7 @@ void intel_update_cdclk(struct drm_i915_private *dev_priv)
*/
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
intel_de_write(dev_priv, GMBUSFREQ_VLV,
- DIV_ROUND_UP(dev_priv->cdclk.hw.cdclk, 1000));
+ DIV_ROUND_UP(dev_priv->cdclk.hw.cdclk, 1000));
}
static int cnp_rawclk(struct drm_i915_private *dev_priv)
@@ -2903,9 +2903,10 @@ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv)
dev_priv->display.get_cdclk = i85x_get_cdclk;
else if (IS_I845G(dev_priv))
dev_priv->display.get_cdclk = fixed_200mhz_get_cdclk;
- else { /* 830 */
- drm_WARN(&dev_priv->drm, !IS_I830(dev_priv),
- "Unknown platform. Assuming 133 MHz CDCLK\n");
+ else if (IS_I830(dev_priv))
+ dev_priv->display.get_cdclk = fixed_133mhz_get_cdclk;
+
+ if (drm_WARN(&dev_priv->drm, !dev_priv->display.get_cdclk,
+ "Unknown platform. Assuming 133 MHz CDCLK\n"))
dev_priv->display.get_cdclk = fixed_133mhz_get_cdclk;
- }
}