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drm/i915: Dump DSC state to dmesg and debugfs/i915_display_info

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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.

Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240805150802.3568970-7-imre.deak@intel.com
This commit is contained in:
Imre Deak 2024-08-05 18:07:55 +03:00
parent 2796b7ceec
commit 1de99ff737
4 changed files with 31 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
View File

@ -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;

4
drivers/gpu/drm/i915/display/intel_display_debugfs.c
View File

@ -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);

20
drivers/gpu/drm/i915/display/intel_vdsc.c
View File

@ -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);
}

4
drivers/gpu/drm/i915/display/intel_vdsc.h
View File

@ -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__ */