[Intel-gfx] [PATCH 49/56] drm/i915/bigjoiner: atomic commit changes for uncompressed joiner
Matt Roper
matthew.d.roper at intel.com
Thu Mar 11 22:36:25 UTC 2021
From: Animesh Manna <animesh.manna at intel.com>
Respective bit for master or slave to be set for uncompressed
bigjoiner in dss_ctl1 register.
Cc: Manasi Navare <manasi.d.navare at intel.com>
Signed-off-by: Animesh Manna <animesh.manna at intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor at intel.com>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 6 +++
drivers/gpu/drm/i915/display/intel_vdsc.c | 40 +++++++++++++++++++-
drivers/gpu/drm/i915/display/intel_vdsc.h | 2 +
drivers/gpu/drm/i915/i915_reg.h | 2 +
4 files changed, 49 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index d779c1c38a41..077f1100efa1 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -3904,6 +3904,7 @@ static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state,
const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *master = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(master->base.dev);
struct intel_crtc_state *master_crtc_state;
struct drm_connector_state *conn_state;
struct drm_connector *conn;
@@ -3937,6 +3938,9 @@ static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state,
/* and DSC on slave */
intel_dsc_enable(NULL, crtc_state);
}
+
+ if (DISPLAY_VER(dev_priv) == 13)
+ intel_uncompressed_joiner_enable(crtc_state);
}
static void hsw_crtc_enable(struct intel_atomic_state *state,
@@ -6753,6 +6757,8 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
}
intel_dsc_get_config(pipe_config);
+ if ((DISPLAY_VER(dev_priv) == 13) && !pipe_config->dsc.compression_enable)
+ intel_uncompressed_joiner_get_config(pipe_config);
if (!active) {
/* bigjoiner slave doesn't enable transcoder */
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 28bd32bc74ba..3e0ef7c2e076 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -1126,6 +1126,22 @@ static i915_reg_t dss_ctl2_reg(const struct intel_crtc_state *crtc_state)
return ICL_PIPE_DSS_CTL2(pipe);
}
+void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ u32 dss_ctl1_val = 0;
+
+ if (crtc_state->bigjoiner && !crtc_state->dsc.compression_enable) {
+ if (crtc_state->bigjoiner_slave)
+ dss_ctl1_val |= UNCOMPRESSED_JOINER_SLAVE;
+ else
+ dss_ctl1_val |= UNCOMPRESSED_JOINER_MASTER;
+
+ intel_de_write(dev_priv, dss_ctl1_reg(crtc_state), dss_ctl1_val);
+ }
+}
+
void intel_dsc_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
{
@@ -1165,13 +1181,35 @@ void intel_dsc_disable(const struct intel_crtc_state *old_crtc_state)
struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- if (!old_crtc_state->dsc.compression_enable)
+ if (!(old_crtc_state->dsc.compression_enable &&
+ old_crtc_state->bigjoiner))
return;
intel_de_write(dev_priv, dss_ctl1_reg(old_crtc_state), 0);
intel_de_write(dev_priv, dss_ctl2_reg(old_crtc_state), 0);
}
+void intel_uncompressed_joiner_get_config(struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ u32 dss_ctl1;
+
+ dss_ctl1 = intel_de_read(dev_priv, dss_ctl1_reg(crtc_state));
+ if (dss_ctl1 & UNCOMPRESSED_JOINER_MASTER) {
+ crtc_state->bigjoiner = true;
+ if (!WARN_ON(INTEL_NUM_PIPES(dev_priv) == crtc->pipe + 1))
+ crtc_state->bigjoiner_linked_crtc =
+ intel_get_crtc_for_pipe(dev_priv, crtc->pipe + 1);
+ } else if (dss_ctl1 & UNCOMPRESSED_JOINER_SLAVE) {
+ crtc_state->bigjoiner = true;
+ crtc_state->bigjoiner_slave = true;
+ if (!WARN_ON(crtc->pipe == PIPE_A))
+ crtc_state->bigjoiner_linked_crtc =
+ intel_get_crtc_for_pipe(dev_priv, crtc->pipe - 1);
+ }
+}
+
void intel_dsc_get_config(struct intel_crtc_state *crtc_state)
{
struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.h b/drivers/gpu/drm/i915/display/intel_vdsc.h
index 65d301c23580..fe4d45561253 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.h
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.h
@@ -12,11 +12,13 @@ struct intel_encoder;
struct intel_crtc_state;
bool intel_dsc_source_support(const struct intel_crtc_state *crtc_state);
+void intel_uncompressed_joiner_enable(const struct intel_crtc_state *crtc_state);
void intel_dsc_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_dsc_disable(const struct intel_crtc_state *crtc_state);
int intel_dsc_compute_params(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config);
+void intel_uncompressed_joiner_get_config(struct intel_crtc_state *crtc_state);
void intel_dsc_get_config(struct intel_crtc_state *crtc_state);
enum intel_display_power_domain
intel_dsc_power_domain(const struct intel_crtc_state *crtc_state);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0422593a93d3..2ff740993d3d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -11542,6 +11542,8 @@ enum skl_power_gate {
#define SPLITTER_CONFIGURATION_MASK REG_GENMASK(26, 25)
#define SPLITTER_CONFIGURATION_2_SEGMENT REG_FIELD_PREP(SPLITTER_CONFIGURATION_MASK, 0)
#define SPLITTER_CONFIGURATION_4_SEGMENT REG_FIELD_PREP(SPLITTER_CONFIGURATION_MASK, 1)
+#define UNCOMPRESSED_JOINER_MASTER (1 << 21)
+#define UNCOMPRESSED_JOINER_SLAVE (1 << 20)
#define _ICL_PIPE_DSS_CTL2_PB 0x78204
#define _ICL_PIPE_DSS_CTL2_PC 0x78404
--
2.25.4
More information about the Intel-gfx
mailing list