On 4/21/2025 9:18 PM, Mitul Golani wrote:
Prepare state check param for enabling dc balance enable bit.
This patch can be squashed into the previous patch.
Regards,
Ankit
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.gol...@intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 1 +
drivers/gpu/drm/i915/display/intel_vrr.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c
b/drivers/gpu/drm/i915/display/intel_display.c
index 4a21acb88aa7..0bb39134f52d 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5402,6 +5402,7 @@ intel_pipe_config_compare(const struct intel_crtc_state
*current_config,
PIPE_CONF_CHECK_LLI(cmrr.cmrr_m);
PIPE_CONF_CHECK_LLI(cmrr.cmrr_n);
PIPE_CONF_CHECK_BOOL(cmrr.enable);
+ PIPE_CONF_CHECK_BOOL(vrr.dc_balance.enable);
PIPE_CONF_CHECK_I(vrr.dc_balance.vmin);
PIPE_CONF_CHECK_I(vrr.dc_balance.vmax);
PIPE_CONF_CHECK_I(vrr.dc_balance.guardband);
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c
b/drivers/gpu/drm/i915/display/intel_vrr.c
index e8802348e5fa..7c09f384a684 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -804,6 +804,7 @@ void intel_vrr_get_config(struct intel_crtc_state
*crtc_state)
if (HAS_DC_BALANCE(display)) {
dcb_ctl = intel_de_read(display, PIPEDMC_DCB_CTL(display,
cpu_transcoder));
+ crtc_state->vrr.dc_balance.enable = dcb_ctl &
PIPEDMC_ADAPTIVE_DCB_ENABLE;
crtc_state->vrr.dc_balance.vmin =
intel_de_read(display, PIPEDMC_DCB_VMIN(display,
cpu_transcoder)) + 1;
crtc_state->vrr.dc_balance.vmax =