[PATCH] drm/i915/dmc_wl: Track INITIATE_PM_DMD_REQ for DC5

Gustavo Sousa gustavo.sousa at intel.com
Mon Feb 3 20:58:58 UTC 2025


The Bspec has been updated to include INITIATE_PM_DMD_REQ in the set of
register offsets that require the DMC wakelock for access during DC5.
Update our table accordingly.

Bspec: 71583
Signed-off-by: Gustavo Sousa <gustavo.sousa at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dmc_wl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
index 43884740f8ea..86ba159b683c 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c
@@ -102,6 +102,7 @@ static const struct intel_dmc_wl_range xe3lpd_dc5_dc6_dmc_ranges[] = {
 	{ .start = 0x42088 }, /* CHICKEN_MISC_3 */
 	{ .start = 0x46160 }, /* CMTG_CLK_SEL */
 	{ .start = 0x8f000, .end = 0x8ffff }, /* Main DMC registers */
+	{ .start = 0x45230 }, /* INITIATE_PM_DMD_REQ */
 
 	{},
 };
-- 
2.48.1



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