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authorWen He <wen.he_1@nxp.com>2019-09-10 10:59:13 +0300
committerLiviu Dudau <liviu.dudau@arm.com>2019-10-08 18:13:36 +0300
commitd298e6a27a81362af4b755db2e89469c2a609cd8 (patch)
tree7ee233b3966bedc8fd8e14c3428354ed61057635 /drivers/gpu/drm/arm/malidp_drv.c
parent354c2d310082d1c384213ba76c3757dd3cd8755d (diff)
downloadlinux-d298e6a27a81362af4b755db2e89469c2a609cd8.tar.xz
drm/arm/mali-dp: Add display QoS interface configuration for Mali DP500
Configure the display Quality of service (QoS) levels priority if the optional property node "arm,malidp-aqros-value" is defined in DTS file. QoS signaling using AQROS and AWQOS AXI interface signals, the AQROS is driven from the "RQOS" register, so needed to program the RQOS register to avoid the high resolutions flicker issue on the LS1028A platform. Signed-off-by: Wen He <wen.he_1@nxp.com> Signed-off-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190910075913.17650-2-wen.he_1@nxp.com
Diffstat (limited to 'drivers/gpu/drm/arm/malidp_drv.c')
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 333b88a5efb0..8a76315aaa0f 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -817,6 +817,12 @@ static int malidp_bind(struct device *dev)
malidp->core_id = version;
+ ret = of_property_read_u32(dev->of_node,
+ "arm,malidp-arqos-value",
+ &hwdev->arqos_value);
+ if (ret)
+ hwdev->arqos_value = 0x0;
+
/* set the number of lines used for output of RGB data */
ret = of_property_read_u8_array(dev->of_node,
"arm,malidp-output-port-lines",