With all of the cdclk function consolidation, we can cut down on a lot
of platform if/else logic by creating a vfunc that's initialized at
startup.
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 75 ++++++++--------------
drivers/gpu/drm/i915/i915_drv.h | 1 +
2 files changed, 27 insertions(+), 49 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 518cc95456d3..cb2fc68c9335 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1394,18 +1394,8 @@ static void bxt_get_cdclk(struct drm_i915_private *dev_priv,
* Can't read this out :( Let's assume it's
* at least what the CDCLK frequency requires.
*/
- if (IS_ELKHARTLAKE(dev_priv))
- cdclk_state->voltage_level =
- ehl_calc_voltage_level(cdclk_state->cdclk);
- else if (INTEL_GEN(dev_priv) >= 11)
- cdclk_state->voltage_level =
- icl_calc_voltage_level(cdclk_state->cdclk);
- else if (INTEL_GEN(dev_priv) >= 10)
- cdclk_state->voltage_level =
- cnl_calc_voltage_level(cdclk_state->cdclk);
- else
- cdclk_state->voltage_level =
- bxt_calc_voltage_level(cdclk_state->cdclk);
+ cdclk_state->voltage_level =
+ dev_priv->display.calc_voltage_level(cdclk_state->cdclk);
}
static void bxt_de_pll_disable(struct drm_i915_private *dev_priv)
@@ -1672,7 +1662,8 @@ static void bxt_init_cdclk(struct drm_i915_private *dev_priv)
*/
cdclk_state.cdclk = bxt_calc_cdclk(dev_priv, 0);
cdclk_state.vco = bxt_calc_cdclk_pll_vco(dev_priv, cdclk_state.cdclk);
- cdclk_state.voltage_level = bxt_calc_voltage_level(cdclk_state.cdclk);
+ cdclk_state.voltage_level =
+ dev_priv->display.calc_voltage_level(cdclk_state.cdclk);
bxt_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
}
@@ -1683,18 +1674,8 @@ static void bxt_uninit_cdclk(struct drm_i915_private *dev_priv)
cdclk_state.cdclk = cdclk_state.bypass;
cdclk_state.vco = 0;
- if (IS_ELKHARTLAKE(dev_priv))
- cdclk_state.voltage_level =
- ehl_calc_voltage_level(cdclk_state.cdclk);
- else if (INTEL_GEN(dev_priv) >= 11)
- cdclk_state.voltage_level =
- icl_calc_voltage_level(cdclk_state.cdclk);
- else if (INTEL_GEN(dev_priv) >= 10)
- cdclk_state.voltage_level =
- cnl_calc_voltage_level(cdclk_state.cdclk);
- else
- cdclk_state.voltage_level =
- bxt_calc_voltage_level(cdclk_state.cdclk);
+ cdclk_state.voltage_level =
+ dev_priv->display.calc_voltage_level(cdclk_state.cdclk);
bxt_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
}
@@ -1730,12 +1711,8 @@ static void icl_init_cdclk(struct drm_i915_private *dev_priv)
sanitized_state.cdclk = bxt_calc_cdclk(dev_priv, 0);
sanitized_state.vco = bxt_calc_cdclk_pll_vco(dev_priv,
sanitized_state.cdclk);
- if (IS_ELKHARTLAKE(dev_priv))
- sanitized_state.voltage_level =
- ehl_calc_voltage_level(sanitized_state.cdclk);
- else
- sanitized_state.voltage_level =
- icl_calc_voltage_level(sanitized_state.cdclk);
+ sanitized_state.voltage_level =
+ dev_priv->display.calc_voltage_level(sanitized_state.cdclk);
bxt_set_cdclk(dev_priv, &sanitized_state, INVALID_PIPE);
}
@@ -1754,7 +1731,8 @@ static void cnl_init_cdclk(struct drm_i915_private *dev_priv)
cdclk_state.cdclk = bxt_calc_cdclk(dev_priv, 0);
cdclk_state.vco = bxt_calc_cdclk_pll_vco(dev_priv, cdclk_state.cdclk);
- cdclk_state.voltage_level = cnl_calc_voltage_level(cdclk_state.cdclk);
+ cdclk_state.voltage_level =
+ dev_priv->display.calc_voltage_level(cdclk_state.cdclk);
bxt_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
}
@@ -2246,7 +2224,7 @@ static int bxt_modeset_calc_cdclk(struct intel_atomic_state *state)
state->cdclk.logical.vco = vco;
state->cdclk.logical.cdclk = cdclk;
state->cdclk.logical.voltage_level =
- bxt_calc_voltage_level(cdclk);
+ dev_priv->display.calc_voltage_level(cdclk);
if (!state->active_pipes) {
cdclk = bxt_calc_cdclk(dev_priv, state->cdclk.force_min_cdclk);
@@ -2255,7 +2233,7 @@ static int bxt_modeset_calc_cdclk(struct intel_atomic_state *state)
state->cdclk.actual.vco = vco;
state->cdclk.actual.cdclk = cdclk;
state->cdclk.actual.voltage_level =
- bxt_calc_voltage_level(cdclk);
+ dev_priv->display.calc_voltage_level(cdclk);
} else {
state->cdclk.actual = state->cdclk.logical;
}
@@ -2310,14 +2288,9 @@ static int icl_modeset_calc_cdclk(struct intel_atomic_state *state)
state->cdclk.logical.vco = vco;
state->cdclk.logical.cdclk = cdclk;
- if (IS_ELKHARTLAKE(dev_priv))
- state->cdclk.logical.voltage_level =
- max(ehl_calc_voltage_level(cdclk),
- cnl_compute_min_voltage_level(state));
- else
- state->cdclk.logical.voltage_level =
- max(icl_calc_voltage_level(cdclk),
- cnl_compute_min_voltage_level(state));
+ state->cdclk.logical.voltage_level =
+ max(dev_priv->display.calc_voltage_level(cdclk),
+ cnl_compute_min_voltage_level(state));
if (!state->active_pipes) {
cdclk = bxt_calc_cdclk(dev_priv, state->cdclk.force_min_cdclk);
@@ -2325,12 +2298,8 @@ static int icl_modeset_calc_cdclk(struct intel_atomic_state *state)
state->cdclk.actual.vco = vco;
state->cdclk.actual.cdclk = cdclk;
- if (IS_ELKHARTLAKE(dev_priv))
- state->cdclk.actual.voltage_level =
- ehl_calc_voltage_level(cdclk);
- else
- state->cdclk.actual.voltage_level =
- icl_calc_voltage_level(cdclk);
+ state->cdclk.actual.voltage_level =
+ dev_priv->display.calc_voltage_level(cdclk);
} else {
state->cdclk.actual = state->cdclk.logical;
}
@@ -2554,17 +2523,25 @@ void intel_update_rawclk(struct drm_i915_private *dev_priv)
*/
void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv)
{
- if (INTEL_GEN(dev_priv) >= 11) {
+ if (IS_ELKHARTLAKE(dev_priv)) {
+ dev_priv->display.set_cdclk = bxt_set_cdclk;
+ dev_priv->display.modeset_calc_cdclk = icl_modeset_calc_cdclk;
+ dev_priv->display.calc_voltage_level = ehl_calc_voltage_level;
+ dev_priv->cdclk.table = icl_cdclk_table;
+ } else if (INTEL_GEN(dev_priv) >= 11) {
dev_priv->display.set_cdclk = bxt_set_cdclk;
dev_priv->display.modeset_calc_cdclk = icl_modeset_calc_cdclk;
+ dev_priv->display.calc_voltage_level = icl_calc_voltage_level;
dev_priv->cdclk.table = icl_cdclk_table;
} else if (IS_CANNONLAKE(dev_priv)) {
dev_priv->display.set_cdclk = bxt_set_cdclk;
dev_priv->display.modeset_calc_cdclk = cnl_modeset_calc_cdclk;
+ dev_priv->display.calc_voltage_level = cnl_calc_voltage_level;
dev_priv->cdclk.table = cnl_cdclk_table;
} else if (IS_GEN9_LP(dev_priv)) {
dev_priv->display.set_cdclk = bxt_set_cdclk;
dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk;
+ dev_priv->display.calc_voltage_level = bxt_calc_voltage_level;
dev_priv->cdclk.table = bxt_cdclk_table;
} else if (IS_GEN9_BC(dev_priv)) {
dev_priv->display.set_cdclk = skl_set_cdclk;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ff6aff2a4866..dc4d40b44d74 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -276,6 +276,7 @@ struct drm_i915_display_funcs {
int (*compute_global_watermarks)(struct intel_atomic_state *state);
void (*update_wm)(struct intel_crtc *crtc);
int (*modeset_calc_cdclk)(struct intel_atomic_state *state);
+ u8 (*calc_voltage_level)(int cdclk);
/* Returns the active state of the crtc, and if the crtc is active,
* fills out the pipe-config with the hw state. */
bool (*get_pipe_config)(struct intel_crtc *,
--
2.20.1
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