On 3/4/2025 3:58 PM, Nemesa Garg wrote:
Add a check for enabling/disabling the casf
and enable the sharpness bit. Also load the
filter lut value which is needed one time.
Signed-off-by: Nemesa Garg <nemesa.garg@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_casf.c | 18 +++++++++++
drivers/gpu/drm/i915/display/intel_casf.h | 1 +
drivers/gpu/drm/i915/display/intel_display.c | 32 ++++++++++++++++++++
3 files changed, 51 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c
index 9f14418dc3c9..1a4362788d30 100644
--- a/drivers/gpu/drm/i915/display/intel_casf.c
+++ b/drivers/gpu/drm/i915/display/intel_casf.c
@@ -230,7 +230,25 @@ void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state)
void intel_casf_enable(struct intel_crtc_state *crtc_state)
{
+ struct intel_display *display = to_intel_display(crtc_state);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ u32 sharpness_ctl;
+
intel_casf_write_coeff(crtc_state);
skl_scaler_setup_casf(crtc_state);
+
+ sharpness_ctl = FILTER_EN | FILTER_STRENGTH(crtc_state->hw.casf_params.strength);
+
+ sharpness_ctl |= crtc_state->hw.casf_params.win_size;
+
+ intel_de_write(display, SHARPNESS_CTL(crtc->pipe), sharpness_ctl);
+}
+
Here the intel_casf_enable should be introduced for the first time as
mentioned previously just like the intel_casf_disable is introduced.
Regards,
Ankit
+void intel_casf_disable(const struct intel_crtc_state *crtc_state)
+{
+ struct intel_display *display = to_intel_display(crtc_state);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+
+ intel_de_write(display, SHARPNESS_CTL(crtc->pipe), 0);
}
diff --git a/drivers/gpu/drm/i915/display/intel_casf.h b/drivers/gpu/drm/i915/display/intel_casf.h
index c75a4b2f3133..64821aafdc2f 100644
--- a/drivers/gpu/drm/i915/display/intel_casf.h
+++ b/drivers/gpu/drm/i915/display/intel_casf.h
@@ -18,5 +18,6 @@ void intel_filter_lut_load(struct intel_crtc *crtc,
void intel_casf_enable(struct intel_crtc_state *crtc_state);
void intel_casf_scaler_compute_config(struct intel_crtc_state *crtc_state);
bool intel_casf_needs_scaler(const struct intel_crtc_state *crtc_state);
+void intel_casf_disable(const struct intel_crtc_state *crtc_state);
#endif /* __INTEL_CASF_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index a2fb68c7cf7a..7d500bdc58fb 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -1036,6 +1036,25 @@ static bool audio_disabling(const struct intel_crtc_state *old_crtc_state,
memcmp(old_crtc_state->eld, new_crtc_state->eld, MAX_ELD_BYTES) != 0);
}
+static bool intel_casf_enabling(const struct intel_crtc_state *new_crtc_state,
+ const struct intel_crtc_state *old_crtc_state)
+{
+ if (!new_crtc_state->hw.active)
+ return false;
+
+ return is_enabling(hw.casf_params.casf_enable, old_crtc_state, new_crtc_state);
+}
+
+static bool intel_casf_disabling(const struct intel_crtc_state *new_crtc_state,
+ const struct intel_crtc_state *old_crtc_state)
+{
+ if (!new_crtc_state->hw.active)
+ return false;
+
+ return (new_crtc_state->hw.casf_params.casf_enable !=
+ old_crtc_state->hw.casf_params.casf_enable);
+}
+
#undef is_disabling
#undef is_enabling
@@ -1182,6 +1201,9 @@ static void intel_pre_plane_update(struct intel_atomic_state *state,
if (audio_disabling(old_crtc_state, new_crtc_state))
intel_encoders_audio_disable(state, crtc);
+ if (intel_casf_disabling(old_crtc_state, new_crtc_state))
+ intel_casf_disable(new_crtc_state);
+
intel_drrs_deactivate(old_crtc_state);
intel_psr_pre_plane_update(state, crtc);
@@ -1650,6 +1672,8 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
struct intel_display *display = to_intel_display(state);
const struct intel_crtc_state *new_crtc_state =
intel_atomic_get_new_crtc_state(state, crtc);
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = new_crtc_state->cpu_transcoder;
struct intel_crtc *pipe_crtc;
@@ -1742,6 +1766,9 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
intel_crtc_wait_for_next_vblank(wa_crtc);
intel_crtc_wait_for_next_vblank(wa_crtc);
}
+
+ if (intel_casf_enabling(new_crtc_state, old_crtc_state))
+ intel_filter_lut_load(crtc, new_crtc_state);
}
}
@@ -6722,6 +6749,11 @@ static void intel_pre_update_crtc(struct intel_atomic_state *state,
intel_vrr_set_transcoder_timings(new_crtc_state);
}
+ if (intel_casf_enabling(new_crtc_state, old_crtc_state))
+ intel_casf_enable(new_crtc_state);
+ else if (new_crtc_state->hw.casf_params.strength != old_crtc_state->hw.casf_params.strength)
+ intel_casf_update_strength(new_crtc_state);
+
intel_fbc_update(state, crtc);
drm_WARN_ON(display->drm, !intel_display_power_is_enabled(display, POWER_DOMAIN_DC_OFF));
