Commit 4e3f3add authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Set PKG_C_LATENCY.added_wake_time to 0 



AFAIK PKG_C_LATENCY.added_wake_time only matters for flip queue.
As long as we're not using that there's no point in adding any
extra wake time.

Reviewed-by: default avatarUma Shankar <uma.shankar@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250624170049.27284-2-ville.syrjala@linux.intel.com
parent 0dc6bfb5

drivers/gpu/drm/i915/display/skl_watermark.c

+0 −9
Original line number Diff line number Diff line
@@ -33,12 +33,6 @@ 
#include "skl_watermark.h"

#include "skl_watermark_regs.h"



/*It is expected that DSB can do posted writes to every register in

 * the pipe and planes within 100us. For flip queue use case, the

 * recommended DSB execution time is 100us + one SAGV block time.

 */

#define DSB_EXE_TIME 100



struct intel_dbuf_state {

	struct intel_global_state base;
@@ -2899,9 +2893,6 @@ intel_program_dpkgc_latency(struct intel_atomic_state *state) 
	}



	if (fixed_refresh_rate) {

		added_wake_time = DSB_EXE_TIME +

			display->sagv.block_time_us;



		latency = skl_watermark_max_latency(display, 1);



		/* Wa_22020432604 */