[PATCH 3/3] drm/msm/a5xx: Pass the revision information
Fabio Estevam
festevam at gmail.com
Tue Jun 20 17:33:05 UTC 2023
From: Fabio Estevam <festevam at denx.de>
Commit cc943f43ece7 ("drm/msm/adreno: warn if chip revn is verified
before being set") exposes the need of setting the GPU revision fields
prior to using the adreno_is_xxx() functions.
Pass the GPU revision information to avoid run-time warning.
Signed-off-by: Fabio Estevam <festevam at denx.de>
---
Build-tested only.
drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index a99310b68793..b4c1720ba89c 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -1744,6 +1744,7 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev)
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = priv->gpu_pdev;
struct adreno_platform_config *config = pdev->dev.platform_data;
+ const struct adreno_info *info;
struct a5xx_gpu *a5xx_gpu = NULL;
struct adreno_gpu *adreno_gpu;
struct msm_gpu *gpu;
@@ -1770,6 +1771,23 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev)
nr_rings = 4;
+ /*
+ * We need to know the platform type before calling into adreno_gpu_init
+ * so that the hw_apriv flag can be correctly set. Snoop into the info
+ * and grab the revision number
+ */
+ info = adreno_info(config->rev);
+ if (!info)
+ return ERR_PTR(-EINVAL);
+
+ /* Assign these early so that we can use the is_aXYZ helpers */
+ /* Numeric revision IDs (e.g. 630) */
+ adreno_gpu->revn = info->revn;
+ /* New-style ADRENO_REV()-only */
+ adreno_gpu->rev = info->rev;
+ /* Quirk data */
+ adreno_gpu->info = info;
+
if (adreno_cmp_rev(ADRENO_REV(5, 1, 0, ANY_ID), config->rev))
nr_rings = 1;
--
2.34.1
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