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From 52e0c5cc30f93b72a87e708b6629a722229ef215 Mon Sep 17 00:00:00 2001
From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com>
Date: Fri, 20 Oct 2017 16:45:53 -0400
Subject: [PATCH 2625/4131] drm/amd/display:: Fix NULL pointer in Raven hotplug
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Programming sequence to frontend and backend has been switched.
In such case, program_scaler() is getting called when programming
frontend, and should be removed from backend programming routine.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 7 -------
1 file changed, 7 deletions(-)
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 ba00b62..a1e4407 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
@@ -1364,13 +1364,6 @@ static enum dc_status apply_single_controller_ctx_to_hw(
}
pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->bottom_pipe != 0;
- /* program_scaler and allocate_mem_input are not new asic */
- if ((!pipe_ctx_old ||
- memcmp(&pipe_ctx_old->plane_res.scl_data, &pipe_ctx->plane_res.scl_data,
- sizeof(struct scaler_data)) != 0) &&
- pipe_ctx->plane_state) {
- program_scaler(dc, pipe_ctx);
- }
pipe_ctx->stream->sink->link->psr_enabled = false;
--
2.7.4
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