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 =

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