diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3749-drm-amd-display-Remove-300Mhz-minimum-disp-clk-limit.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3749-drm-amd-display-Remove-300Mhz-minimum-disp-clk-limit.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3749-drm-amd-display-Remove-300Mhz-minimum-disp-clk-limit.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3749-drm-amd-display-Remove-300Mhz-minimum-disp-clk-limit.patch new file mode 100644 index 00000000..a1d124b3 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3749-drm-amd-display-Remove-300Mhz-minimum-disp-clk-limit.patch @@ -0,0 +1,71 @@ +From 893d49952f432058d496b80d86b45c5069a03998 Mon Sep 17 00:00:00 2001 +From: Yongqiang Sun <yongqiang.sun@amd.com> +Date: Thu, 22 Feb 2018 16:50:39 -0500 +Subject: [PATCH 3749/4131] drm/amd/display: Remove 300Mhz minimum disp clk + limit. + +300Mhz disp clk limit was a workaround that was fixed in SMU and is no +longer needed. + +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 5 +++++ + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 --- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 2 -- + 3 files changed, 5 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index 1f293dc..bac124b 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -803,6 +803,8 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c + if (!dcb->funcs->is_accelerated_mode(dcb)) + dc->hwss.enable_accelerated_mode(dc, context); + ++ dc->hwss.set_bandwidth(dc, context, false); ++ + /* re-program planes for existing stream, in case we need to + * free up plane resource for later use + */ +@@ -869,6 +871,9 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c + context->streams[i]->timing.pix_clk_khz); + } + ++ /* pplib is notified if disp_num changed */ ++ dc->hwss.set_bandwidth(dc, context, true); ++ + dc_enable_stereo(dc, context, dc_streams, context->stream_count); + + dc_release_state(dc->current_state); +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +index c2041a6..ca04848 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +@@ -2106,9 +2106,6 @@ enum dc_status dce110_apply_ctx_to_hw( + return status; + } + +- /* pplib is notified if disp_num changed */ +- dc->hwss.set_bandwidth(dc, context, true); +- + /* to save power */ + apply_min_clocks(dc, context, &clocks_state, false); + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +index 617aa8c..e7406c7 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +@@ -440,8 +440,6 @@ static const struct dc_debug debug_defaults_drv = { + .timing_trace = false, + .clock_trace = true, + +- .min_disp_clk_khz = 300000, +- + .disable_pplib_clock_request = true, + .disable_pplib_wm_range = false, + .pplib_wm_report_mode = WM_REPORT_DEFAULT, +-- +2.7.4 + |