[PATCH 5/5] drm/i915/display: Compare the readout dsc pps params

[Suraj Kandpal <suraj.kandpal@xxxxxxxxx>]

With the dsc config being readout and filled in crtc_state add
macros and use them to compare current and previous PPS param in
DSC.

Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_display.c | 55 ++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index eed01957bdb9..5c1596d7cd92 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5007,6 +5007,8 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 {
 	struct drm_i915_private *dev_priv = to_i915(current_config->uapi.crtc->dev);
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
+	const struct drm_dsc_config *dsc_current_config = &current_config->dsc.config;
+	const struct drm_dsc_config *dsc_pipe_config = &pipe_config->dsc.config;
 	bool ret = true;
 	bool fixup_inherited = fastset &&
 		current_config->inherited && !pipe_config->inherited;
@@ -5202,6 +5204,26 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 #define PIPE_CONF_QUIRK(quirk) \
 	((current_config->quirks | pipe_config->quirks) & (quirk))
 
+#define PIPE_DSC_CONF_CHECK_I(name) do { \
+	if (dsc_current_config->name != dsc_pipe_config->name) { \
+		pipe_config_mismatch(fastset, crtc, __stringify(name), \
+				     "(expected %i, found %i)", \
+				     dsc_current_config->name, \
+				     dsc_pipe_config->name); \
+		ret = false; \
+	} \
+} while (0)
+
+#define PIPE_DSC_CONF_CHECK_BOOL(name) do { \
+	if (dsc_current_config->name != dsc_pipe_config->name) { \
+		pipe_config_mismatch(fastset, crtc,  __stringify(name), \
+				     "(expected %s, found %s)", \
+				     str_yes_no(dsc_current_config->name), \
+				     str_yes_no(dsc_pipe_config->name)); \
+		ret = false; \
+	} \
+} while (0)
+
 	PIPE_CONF_CHECK_I(hw.enable);
 	PIPE_CONF_CHECK_I(hw.active);
 
@@ -5378,6 +5400,39 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 	PIPE_CONF_CHECK_I(master_transcoder);
 	PIPE_CONF_CHECK_X(bigjoiner_pipes);
 
+	PIPE_DSC_CONF_CHECK_BOOL(block_pred_enable);
+	PIPE_DSC_CONF_CHECK_BOOL(convert_rgb);
+	PIPE_DSC_CONF_CHECK_BOOL(simple_422);
+	PIPE_DSC_CONF_CHECK_BOOL(native_422);
+	PIPE_DSC_CONF_CHECK_BOOL(native_420);
+	PIPE_DSC_CONF_CHECK_BOOL(vbr_enable);
+	PIPE_DSC_CONF_CHECK_I(line_buf_depth);
+	PIPE_DSC_CONF_CHECK_I(bits_per_component);
+	PIPE_DSC_CONF_CHECK_I(pic_width);
+	PIPE_DSC_CONF_CHECK_I(pic_height);
+	PIPE_DSC_CONF_CHECK_I(slice_width);
+	PIPE_DSC_CONF_CHECK_I(slice_height);
+	PIPE_DSC_CONF_CHECK_I(initial_dec_delay);
+	PIPE_DSC_CONF_CHECK_I(initial_xmit_delay);
+	PIPE_DSC_CONF_CHECK_I(scale_decrement_interval);
+	PIPE_DSC_CONF_CHECK_I(scale_increment_interval);
+	PIPE_DSC_CONF_CHECK_I(initial_scale_value);
+	PIPE_DSC_CONF_CHECK_I(first_line_bpg_offset);
+	PIPE_DSC_CONF_CHECK_I(flatness_min_qp);
+	PIPE_DSC_CONF_CHECK_I(flatness_max_qp);
+	PIPE_DSC_CONF_CHECK_I(slice_bpg_offset);
+	PIPE_DSC_CONF_CHECK_I(nfl_bpg_offset);
+	PIPE_DSC_CONF_CHECK_I(initial_offset);
+	PIPE_DSC_CONF_CHECK_I(final_offset);
+	PIPE_DSC_CONF_CHECK_I(rc_model_size);
+	PIPE_DSC_CONF_CHECK_I(rc_quant_incr_limit0);
+	PIPE_DSC_CONF_CHECK_I(rc_quant_incr_limit1);
+	PIPE_DSC_CONF_CHECK_I(slice_chunk_size);
+	if (DISPLAY_VER(dev_priv) >= 14) {
+		PIPE_DSC_CONF_CHECK_I(second_line_bpg_offset);
+		PIPE_DSC_CONF_CHECK_I(nsl_bpg_offset);
+	}
+
 	PIPE_CONF_CHECK_I(dsc.compression_enable);
 	PIPE_CONF_CHECK_I(dsc.dsc_split);
 	PIPE_CONF_CHECK_I(dsc.compressed_bpp);
-- 
2.25.1