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[2/3] drm/msm: Check if target supports crash dump capture

Message ID 1539334616-11723-3-git-send-email-smasetty@codeaurora.org (mailing list archive)
State Not Applicable, archived
Delegated to: Andy Gross
Headers show
Series drm/msm: Fix gpu recovery path | expand

Commit Message

Sharat Masetty Oct. 12, 2018, 8:56 a.m. UTC 
This patch simply checks first to see if the target can support crash dump
capture before proceeding.

Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
---
 drivers/gpu/drm/msm/msm_gpu.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index 19b4afe..da63d3d 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -345,6 +345,10 @@  static void msm_gpu_crashstate_capture(struct msm_gpu *gpu,
 {
 	struct msm_gpu_state *state;
 
+	/* Check if the target supports capturing crash state */
+	if (!gpu->funcs->gpu_state_get)
+		return;
+
 	/* Only save one crash state at a time */
 	if (gpu->crashstate)
 		return;