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drm/i915: Extract i965_dpll_md()

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We have three copies of the DPLL_MD value computation.
Share it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-10-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2024-04-12 21:26:54 +03:00
parent 7084a833e7
commit f2d0cecc27
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/i915/display/intel_dpll.c
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@ -1008,6 +1008,11 @@ static void i9xx_update_pll_dividers(struct intel_crtc_state *crtc_state,
crtc_state->dpll_hw_state.fp1 = fp2;
}
static u32 i965_dpll_md(const struct intel_crtc_state *crtc_state)
{
return (crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
}
static void i9xx_compute_dpll(struct intel_crtc_state *crtc_state,
const struct dpll *clock,
const struct dpll *reduced_clock)
@ -1080,11 +1085,8 @@ static void i9xx_compute_dpll(struct intel_crtc_state *crtc_state,
dpll |= DPLL_VCO_ENABLE;
crtc_state->dpll_hw_state.dpll = dpll;
if (DISPLAY_VER(dev_priv) >= 4) {
u32 dpll_md = (crtc_state->pixel_multiplier - 1)
<< DPLL_MD_UDI_MULTIPLIER_SHIFT;
crtc_state->dpll_hw_state.dpll_md = dpll_md;
}
if (DISPLAY_VER(dev_priv) >= 4)
crtc_state->dpll_hw_state.dpll_md = i965_dpll_md(crtc_state);
}
static void i8xx_compute_dpll(struct intel_crtc_state *crtc_state,
@ -1425,8 +1427,7 @@ void vlv_compute_dpll(struct intel_crtc_state *crtc_state)
crtc_state->dpll_hw_state.dpll |= DPLL_VCO_ENABLE |
DPLL_EXT_BUFFER_ENABLE_VLV;
crtc_state->dpll_hw_state.dpll_md =
(crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
crtc_state->dpll_hw_state.dpll_md = i965_dpll_md(crtc_state);
}
void chv_compute_dpll(struct intel_crtc_state *crtc_state)
@ -1442,8 +1443,7 @@ void chv_compute_dpll(struct intel_crtc_state *crtc_state)
if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
crtc_state->dpll_hw_state.dpll |= DPLL_VCO_ENABLE;
crtc_state->dpll_hw_state.dpll_md =
(crtc_state->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
crtc_state->dpll_hw_state.dpll_md = i965_dpll_md(crtc_state);
}
static int chv_crtc_compute_clock(struct intel_atomic_state *state,