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drm/i915/cdclk: Factor out INTEL_OUTPUT_DSI check in vlv_dsi_min_cdclk()

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All the if statements in vlv_dsi_min_cdclk() check for
INTEL_OUTPUT_DSI. Make life simpler by checking that just
once at the start.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241029215217.3697-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2024-10-29 23:52:13 +02:00
parent 95601c60b1
commit 252cea7f0f
1 changed files with 8 additions and 8 deletions
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16
drivers/gpu/drm/i915/display/vlv_dsi.c
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@@ -1762,26 +1762,26 @@ static void vlv_dphy_param_init(struct intel_dsi *intel_dsi)
int vlv_dsi_min_cdclk(const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
int min_cdclk = 0;
if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
return 0;
/*
* On Valleyview some DSI panels lose (v|h)sync when the clock is lower
* than 320000KHz.
*/
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) &&
IS_VALLEYVIEW(dev_priv))
min_cdclk = max(320000, min_cdclk);
if (IS_VALLEYVIEW(dev_priv))
return 320000;
/*
* On Geminilake once the CDCLK gets as low as 79200
* picture gets unstable, despite that values are
* correct for DSI PLL and DE PLL.
*/
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) &&
IS_GEMINILAKE(dev_priv))
min_cdclk = max(158400, min_cdclk);
if (IS_GEMINILAKE(dev_priv))
return 158400;
return min_cdclk;
return 0;
}
typedef void (*vlv_dsi_dmi_quirk_func)(struct intel_dsi *intel_dsi);