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Code Issues Releases Wiki Activity

drm/i915: Split out dg2_crtc_compute_clock()

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DG2 doesn't currently used the shared_dpll stuff so let's just
split it out from hsw_crtc_compute_clock() entirely.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220325123205.22140-9-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2022-03-25 14:32:00 +02:00
parent e2f5f399af
commit 3bb9e25767
1 changed files with 18 additions and 4 deletions
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22
drivers/gpu/drm/i915/display/intel_dpll.c
View file

@ -938,9 +938,6 @@ static int hsw_crtc_compute_clock(struct intel_atomic_state *state,
intel_get_crtc_new_encoder(state, crtc_state);
int ret;
if (IS_DG2(dev_priv))
return intel_mpllb_calc_state(crtc_state, encoder);
if (DISPLAY_VER(dev_priv) < 11 &&
intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
return 0;
@ -956,6 +953,17 @@ static int hsw_crtc_compute_clock(struct intel_atomic_state *state,
return 0;
}
static int dg2_crtc_compute_clock(struct intel_atomic_state *state,
struct intel_crtc *crtc)
{
struct intel_crtc_state *crtc_state =
intel_atomic_get_new_crtc_state(state, crtc);
struct intel_encoder *encoder =
intel_get_crtc_new_encoder(state, crtc_state);
return intel_mpllb_calc_state(crtc_state, encoder);
}
static bool ilk_needs_fb_cb_tune(const struct dpll *dpll, int factor)
{
return dpll->m < factor * dpll->n;
@ -1362,6 +1370,10 @@ static int i8xx_crtc_compute_clock(struct intel_atomic_state *state,
return 0;
}
static const struct intel_dpll_funcs dg2_dpll_funcs = {
.crtc_compute_clock = dg2_crtc_compute_clock,
};
static const struct intel_dpll_funcs hsw_dpll_funcs = {
.crtc_compute_clock = hsw_crtc_compute_clock,
};
@ -1418,7 +1430,9 @@ int intel_dpll_crtc_compute_clock(struct intel_atomic_state *state,
void
intel_dpll_init_clock_hook(struct drm_i915_private *dev_priv)
{
if (DISPLAY_VER(dev_priv) >= 9 || HAS_DDI(dev_priv))
if (IS_DG2(dev_priv))
dev_priv->dpll_funcs = &dg2_dpll_funcs;
else if (DISPLAY_VER(dev_priv) >= 9 || HAS_DDI(dev_priv))
dev_priv->dpll_funcs = &hsw_dpll_funcs;
else if (HAS_PCH_SPLIT(dev_priv))
dev_priv->dpll_funcs = &ilk_dpll_funcs;