linux-kernel - [PATCH 5.12 130/173] drm/msm/a6xx: fix incorrectly set uavflagprd

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Message-Id: <20210614102702.497343449@linuxfoundation.org>
Date:   Mon, 14 Jun 2021 12:27:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jonathan Marek <jonathan@...ek.ca>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        Rob Clark <robdclark@...omium.org>
Subject: [PATCH 5.12 130/173] drm/msm/a6xx: fix incorrectly set uavflagprd_inv field for A650

From: Jonathan Marek <jonathan@...ek.ca>

commit b4387eaf3821a4c4241ac3a556e13244eb1fdaa5 upstream.

Value was shifted in the wrong direction, resulting in the field always
being zero, which is incorrect for A650.

Fixes: d0bac4e9cd66 ("drm/msm/a6xx: set ubwc config for A640 and A650")
Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
Reviewed-by: Akhil P Oommen <akhilpo@...eaurora.org>
Link: https://lore.kernel.org/r/20210513171431.18632-4-jonathan@marek.ca
Signed-off-by: Rob Clark <robdclark@...omium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -489,7 +489,7 @@ static void a6xx_set_ubwc_config(struct
 		rgb565_predicator << 11 | amsbc << 4 | lower_bit << 1);
 	gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, lower_bit << 1);
 	gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL,
-		uavflagprd_inv >> 4 | lower_bit << 1);
+		uavflagprd_inv << 4 | lower_bit << 1);
 	gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, lower_bit << 21);
 }