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drm/i915/display: Move squash_ctl register programming to its own function 

No functional change. Introduce dg2_cdclk_squash_program and
move squash_ctl register programming bits to this.

v2: s/dg2_cdclk_squash_programming/dg2_cdclk_squash_program (Jani)

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221025223042.138810-4-anusha.srivatsa@intel.com
This commit is contained in:
Anusha Srivatsa 2022-10-25 15:30:42 -07:00
parent 6688b6b100
commit fcfe55f214
1 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/gpu/drm/i915/display/intel_cdclk.c
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@ -1704,6 +1704,18 @@ static void bxt_cdclk_pll_update(struct drm_i915_private *i915, int vco)
bxt_de_pll_enable(i915, vco);
}
static void dg2_cdclk_squash_program(struct drm_i915_private *i915,
u16 waveform)
{
u32 squash_ctl = 0;
if (waveform)
squash_ctl = CDCLK_SQUASH_ENABLE |
CDCLK_SQUASH_WINDOW_SIZE(0xf) | waveform;
intel_de_write(i915, CDCLK_SQUASH_CTL, squash_ctl);
}
static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
const struct intel_cdclk_config *cdclk_config,
enum pipe pipe)
@ -1751,15 +1763,8 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
else
clock = cdclk;
if (HAS_CDCLK_SQUASH(dev_priv)) {
u32 squash_ctl = 0;
if (waveform)
squash_ctl = CDCLK_SQUASH_ENABLE |
CDCLK_SQUASH_WINDOW_SIZE(0xf) | waveform;
intel_de_write(dev_priv, CDCLK_SQUASH_CTL, squash_ctl);
}
if (HAS_CDCLK_SQUASH(dev_priv))
dg2_cdclk_squash_program(dev_priv, waveform);
val = bxt_cdclk_cd2x_div_sel(dev_priv, clock, vco) |
bxt_cdclk_cd2x_pipe(dev_priv, pipe) |