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path: root/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
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Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c')
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
index a521207..b764d7f 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
@@ -15,6 +15,7 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <drm/drm_print.h>
#include "msm_drv.h"
#include "mdp4_kms.h"
@@ -29,7 +30,16 @@ void mdp4_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
static void mdp4_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
{
+ struct mdp4_kms *mdp4_kms = container_of(irq, struct mdp4_kms, error_handler);
+ static DEFINE_RATELIMIT_STATE(rs, 5*HZ, 1);
+ extern bool dumpstate;
+
DRM_ERROR_RATELIMITED("errors: %08x\n", irqstatus);
+
+ if (dumpstate && __ratelimit(&rs)) {
+ struct drm_printer p = drm_info_printer(mdp4_kms->dev->dev);
+ drm_state_dump(mdp4_kms->dev, &p);
+ }
}
void mdp4_irq_preinstall(struct msm_kms *kms)
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