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authorVille Syrjälä <ville.syrjala@linux.intel.com>2023-11-28 14:51:36 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2023-12-13 21:50:16 +0300
commit46bdb77d8b61e560ebb95c8d3a355be84b5492d2 (patch)
tree5aa0356b455deff37746685155821798018326ad /drivers/gpu/drm/i915/display
parent273361f54e5bcaccdd725a9ffac14a9fac672451 (diff)
downloadlinux-46bdb77d8b61e560ebb95c8d3a355be84b5492d2.tar.xz
drm/i915: Split intel_ddi_compute_min_voltage_level() into platform variants
The mess inside intel_ddi_compute_min_voltage_level() is illegible. Clean it up a bit by splitting the internals into per-platform functions. TODO: make it a vfunc? Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231128115138.13238-7-ville.syrjala@linux.intel.com Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display')
-rw-r--r--drivers/gpu/drm/i915/display/intel_ddi.c37
1 files changed, 30 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 38f28c480b38..bcfcd7e789f0 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -3672,16 +3672,39 @@ static bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv,
AUDIO_OUTPUT_ENABLE(cpu_transcoder);
}
+static int tgl_ddi_min_voltage_level(const struct intel_crtc_state *crtc_state)
+{
+ if (crtc_state->port_clock > 594000)
+ return 2;
+ else
+ return 0;
+}
+
+static int jsl_ddi_min_voltage_level(const struct intel_crtc_state *crtc_state)
+{
+ if (crtc_state->port_clock > 594000)
+ return 3;
+ else
+ return 0;
+}
+
+static int icl_ddi_min_voltage_level(const struct intel_crtc_state *crtc_state)
+{
+ if (crtc_state->port_clock > 594000)
+ return 1;
+ else
+ return 0;
+}
+
void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
struct intel_crtc_state *crtc_state)
{
- if (DISPLAY_VER(dev_priv) >= 12 && crtc_state->port_clock > 594000)
- crtc_state->min_voltage_level = 2;
- else if ((IS_JASPERLAKE(dev_priv) || IS_ELKHARTLAKE(dev_priv)) &&
- crtc_state->port_clock > 594000)
- crtc_state->min_voltage_level = 3;
- else if (DISPLAY_VER(dev_priv) >= 11 && crtc_state->port_clock > 594000)
- crtc_state->min_voltage_level = 1;
+ if (DISPLAY_VER(dev_priv) >= 12)
+ crtc_state->min_voltage_level = tgl_ddi_min_voltage_level(crtc_state);
+ else if (IS_JASPERLAKE(dev_priv) || IS_ELKHARTLAKE(dev_priv))
+ crtc_state->min_voltage_level = jsl_ddi_min_voltage_level(crtc_state);
+ else if (DISPLAY_VER(dev_priv) >= 11)
+ crtc_state->min_voltage_level = icl_ddi_min_voltage_level(crtc_state);
}
static enum transcoder bdw_transcoder_master_readout(struct drm_i915_private *dev_priv,