From: Alvin Lee <Alvin.Lee2@amd.com>
Date: Thu, 23 Oct 2025 17:56:32 +0000 (-0400)
Subject: drm/amd/display: Increase IB mem size
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=54963d18a8e99e3eb5fe39b73c83b66fe8caf43f;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: Increase IB mem size

[Why & How]
Increase IB mem size to match size of largest structure that will
use IB transfer between driver and DMU.

Reviewed-by: Oleh Kuzhylnyi <oleh.kuzhylnyi@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index a657efda89ce3..a6ae1d2e9685b 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -66,7 +66,7 @@
 #define DMUB_SCRATCH_MEM_SIZE (1024)
 
 /* Default indirect buffer size. */
-#define DMUB_IB_MEM_SIZE (1280)
+#define DMUB_IB_MEM_SIZE (2560)
 
 /* Default LSDMA ring buffer size. */
 #define DMUB_LSDMA_RB_SIZE (64 * 1024)