diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1003-drm-amd-display-Fix-return-value-from-rx-irq-handler.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/1003-drm-amd-display-Fix-return-value-from-rx-irq-handler.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1003-drm-amd-display-Fix-return-value-from-rx-irq-handler.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1003-drm-amd-display-Fix-return-value-from-rx-irq-handler.patch new file mode 100644 index 00000000..13ee9105 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1003-drm-amd-display-Fix-return-value-from-rx-irq-handler.patch @@ -0,0 +1,36 @@ +From 6995adc6b026a1f5b3cfbf35ea5ab269af5e21d0 Mon Sep 17 00:00:00 2001 +From: Wenjing Liu <Wenjing.Liu@amd.com> +Date: Tue, 22 Aug 2017 15:49:57 -0400 +Subject: [PATCH 1003/4131] drm/amd/display: Fix return value from rx irq + handler on up request + +Change-Id: Ifa864d3788ae34a6dfa315bd4148f5d5c4ae0c5a +Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +index e35bdce..e19447d 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +@@ -1964,11 +1964,11 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd + * so do not handle as a normal sink status change interrupt. + */ + ++ if (hpd_irq_dpcd_data.bytes.device_service_irq.bits.UP_REQ_MSG_RDY) ++ return true; ++ + /* check if we have MST msg and return since we poll for it */ +- if (hpd_irq_dpcd_data.bytes.device_service_irq. +- bits.DOWN_REP_MSG_RDY || +- hpd_irq_dpcd_data.bytes.device_service_irq. +- bits.UP_REQ_MSG_RDY) ++ if (hpd_irq_dpcd_data.bytes.device_service_irq.bits.DOWN_REP_MSG_RDY) + return false; + + /* For now we only handle 'Downstream port status' case. +-- +2.7.4 + |