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drm/i915: Use REG_BIT() & co for the pre-ilk pfit registers

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Modernize the gmch pfit register definitions using REG_BIT/etc.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418175528.13117-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä
2023-04-18 20:55:18 +03:00
parent 597421a806
commit 08df6d30c1
4 changed files with 48 additions and 45 deletions
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16
drivers/gpu/drm/i915/display/intel_overlay.c
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@@ -935,21 +935,25 @@ static int check_overlay_possible_on_crtc(struct intel_overlay *overlay,
static void update_pfit_vscale_ratio(struct intel_overlay *overlay)
{
struct drm_i915_private *dev_priv = overlay->i915;
u32 pfit_control = intel_de_read(dev_priv, PFIT_CONTROL);
u32 ratio;
/* XXX: This is not the same logic as in the xorg driver, but more in
* line with the intel documentation for the i965
*/
if (DISPLAY_VER(dev_priv) >= 4) {
u32 tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
/* on i965 use the PGM reg to read out the autoscaler values */
ratio = intel_de_read(dev_priv, PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965;
ratio = REG_FIELD_GET(PFIT_VERT_SCALE_MASK_965, tmp);
} else {
if (pfit_control & VERT_AUTO_SCALE)
ratio = intel_de_read(dev_priv, PFIT_AUTO_RATIOS);
u32 tmp;
if (intel_de_read(dev_priv, PFIT_CONTROL) & VERT_AUTO_SCALE)
tmp = intel_de_read(dev_priv, PFIT_AUTO_RATIOS);
else
ratio = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
ratio >>= PFIT_VERT_SCALE_SHIFT;
tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
ratio = REG_FIELD_GET(PFIT_VERT_SCALE_MASK, tmp);
}
overlay->pfit_vscale_ratio = ratio;