diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4691-drm-amd-display-update-p-state-latency-for-renoir-wh.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4691-drm-amd-display-update-p-state-latency-for-renoir-wh.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4691-drm-amd-display-update-p-state-latency-for-renoir-wh.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4691-drm-amd-display-update-p-state-latency-for-renoir-wh.patch new file mode 100644 index 00000000..dd1a4f16 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4691-drm-amd-display-update-p-state-latency-for-renoir-wh.patch @@ -0,0 +1,63 @@ +From 8968f964b88aa9e59aa07885e016a8c4acf9216f Mon Sep 17 00:00:00 2001 +From: Joseph Gravenor <joseph.gravenor@amd.com> +Date: Tue, 12 Nov 2019 15:36:57 -0500 +Subject: [PATCH 4691/4736] drm/amd/display: update p-state latency for renoir + when using lpddr4 + +[Why] +DF team has produced more optimized latency numbers, for lpddr4 + +[How] +change the p-state laency in the lpddr4 wm table to the new latency +number + +Signed-off-by: Joseph Gravenor <joseph.gravenor@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +index 307c8540e36f..901e7035bf8e 100644 +--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c ++++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +@@ -562,7 +562,7 @@ struct wm_table lpddr4_wm_table = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, +- .pstate_latency_us = 23.84, ++ .pstate_latency_us = 11.65333, + .sr_exit_time_us = 12.5, + .sr_enter_plus_exit_time_us = 17.0, + .valid = true, +@@ -570,7 +570,7 @@ struct wm_table lpddr4_wm_table = { + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, +- .pstate_latency_us = 23.84, ++ .pstate_latency_us = 11.65333, + .sr_exit_time_us = 12.5, + .sr_enter_plus_exit_time_us = 17.0, + .valid = true, +@@ -578,7 +578,7 @@ struct wm_table lpddr4_wm_table = { + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, +- .pstate_latency_us = 23.84, ++ .pstate_latency_us = 11.65333, + .sr_exit_time_us = 12.5, + .sr_enter_plus_exit_time_us = 17.0, + .valid = true, +@@ -586,7 +586,7 @@ struct wm_table lpddr4_wm_table = { + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, +- .pstate_latency_us = 23.84, ++ .pstate_latency_us = 11.65333, + .sr_exit_time_us = 12.5, + .sr_enter_plus_exit_time_us = 17.0, + .valid = true, +-- +2.17.1 + |