Dump the DSC state to dmesg during HW readout and state computation as
well as the i915_display_info debugfs entry.
v2: Rebase on the s/DRM_X16/FXP_Q4 change.
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
.../drm/i915/display/intel_crtc_state_dump.c | 3 +++
.../drm/i915/display/intel_display_debugfs.c | 4 ++++
drivers/gpu/drm/i915/display/intel_vdsc.c | 20 +++++++++++++++++++
drivers/gpu/drm/i915/display/intel_vdsc.h | 4 ++++
4 files changed, 31 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
index 6df526e189b5b..705ec5ad385c8 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
@@ -10,6 +10,7 @@
#include "intel_crtc_state_dump.h"
#include "intel_display_types.h"
#include "intel_hdmi.h"
+#include "intel_vdsc.h"
#include "intel_vrr.h"
static void intel_dump_crtc_timings(struct drm_printer *p,
@@ -369,6 +370,8 @@ void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
else if (IS_VALLEYVIEW(i915))
vlv_dump_csc(&p, "wgc csc", &pipe_config->csc);
+ intel_vdsc_state_dump(&p, 0, pipe_config);
+
dump_planes:
if (!state)
return;
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 91757fed9c6d2..c20a5097ea331 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -36,6 +36,7 @@
#include "intel_pps.h"
#include "intel_psr.h"
#include "intel_psr_regs.h"
+#include "intel_vdsc.h"
#include "intel_wm.h"
static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
@@ -551,6 +552,7 @@ static void crtc_updates_add(struct intel_crtc *crtc)
static void intel_crtc_info(struct seq_file *m, struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ struct drm_printer p = drm_seq_file_printer(m);
const struct intel_crtc_state *crtc_state =
to_intel_crtc_state(crtc->base.state);
struct intel_encoder *encoder;
@@ -581,6 +583,8 @@ static void intel_crtc_info(struct seq_file *m, struct intel_crtc *crtc)
crtc_state->joiner_pipes,
intel_crtc_is_joiner_secondary(crtc_state) ? "slave" : "master");
+ intel_vdsc_state_dump(&p, 1, crtc_state);
+
for_each_intel_encoder_mask(&dev_priv->drm, encoder,
crtc_state->uapi.encoder_mask)
intel_encoder_info(m, crtc, encoder);
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index ff717dc1a2ce5..404ed05371cb8 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -990,3 +990,23 @@ void intel_dsc_get_config(struct intel_crtc_state *crtc_state)
out:
intel_display_power_put(dev_priv, power_domain, wakeref);
}
+
+static void intel_vdsc_dump_state(struct drm_printer *p, int indent,
+ const struct intel_crtc_state *crtc_state)
+{
+ drm_printf_indent(p, indent,
+ "dsc-dss: compressed-bpp:" FXP_Q4_FMT ", slice-count: %d, split: %s\n",
+ FXP_Q4_ARGS(crtc_state->dsc.compressed_bpp_x16),
+ crtc_state->dsc.slice_count,
+ str_yes_no(crtc_state->dsc.dsc_split));
+}
+
+void intel_vdsc_state_dump(struct drm_printer *p, int indent,
+ const struct intel_crtc_state *crtc_state)
+{
+ if (!crtc_state->dsc.compression_enable)
+ return;
+
+ intel_vdsc_dump_state(p, indent, crtc_state);
+ drm_dsc_dump_config(p, indent, &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 2cc41ff089094..290b2e9b3482e 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.h
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.h
@@ -8,6 +8,8 @@
#include <linux/types.h>
+struct drm_printer;
+
enum transcoder;
struct intel_crtc;
struct intel_crtc_state;
@@ -27,5 +29,7 @@ void intel_dsc_dsi_pps_write(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_dsc_dp_pps_write(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
+void intel_vdsc_state_dump(struct drm_printer *p, int indent,
+ const struct intel_crtc_state *crtc_state);
#endif /* __INTEL_VDSC_H__ */
--
2.43.3
