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drm: Rename struct edp_vsc_psr to struct dp_sdp

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VSC SDP Payload for PSR is one of data block type of SDP (Secondaray Data
Packet). In order to generalize SDP packet structure name, it renames
struct edp_vsc_psr to struct dp_sdp. And each SDP data blocks have
different usages, each SDP type has different reserved data blocks and
Video_Stream_Configuration Extension VESA SDP might use all of Data Blocks
as Extended INFORFRAME Data Byte. so it makes Data Block variables as
array type. And it adds comments of details of DB of VSC SDP Payload
for Pixel Encoding/Colorimetry Format. This comments follows DP 1.4a spec,
section 2.2.5.7.5, chapter "VSC SDP Payload for Pixel Encoding/Colorimetry
Format".

v7: Addressed review comments from Ville.

v9: Rename a member value name DB to db on struct dp_sdp [Laurent]

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190521121721.32010-3-gwan-gyeong.mun@intel.com
This commit is contained in:
Gwan-gyeong Mun
2019-05-21 15:17:17 +03:00
committed by Jani Nikula
parent 8e9d645c68
commit 4d432f956d
5 changed files with 36 additions and 23 deletions
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10
drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c
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@@ -1041,7 +1041,7 @@ static ssize_t analogix_dp_get_psr_status(struct analogix_dp_device *dp)
}
int analogix_dp_send_psr_spd(struct analogix_dp_device *dp,
struct edp_vsc_psr *vsc, bool blocking)
struct dp_sdp *vsc, bool blocking)
{
unsigned int val;
int ret;
@@ -1069,8 +1069,8 @@ int analogix_dp_send_psr_spd(struct analogix_dp_device *dp,
writel(0x5D, dp->reg_base + ANALOGIX_DP_SPD_PB3);
/* configure DB0 / DB1 values */
writel(vsc->DB0, dp->reg_base + ANALOGIX_DP_VSC_SHADOW_DB0);
writel(vsc->DB1, dp->reg_base + ANALOGIX_DP_VSC_SHADOW_DB1);
writel(vsc->db[0], dp->reg_base + ANALOGIX_DP_VSC_SHADOW_DB0);
writel(vsc->db[1], dp->reg_base + ANALOGIX_DP_VSC_SHADOW_DB1);
/* set reuse spd inforframe */
val = readl(dp->reg_base + ANALOGIX_DP_VIDEO_CTL_3);
@@ -1092,8 +1092,8 @@ int analogix_dp_send_psr_spd(struct analogix_dp_device *dp,
ret = readx_poll_timeout(analogix_dp_get_psr_status, dp, psr_status,
psr_status >= 0 &&
((vsc->DB1 && psr_status == DP_PSR_SINK_ACTIVE_RFB) ||
(!vsc->DB1 && psr_status == DP_PSR_SINK_INACTIVE)), 1500,
((vsc->db[1] && psr_status == DP_PSR_SINK_ACTIVE_RFB) ||
(!vsc->db[1] && psr_status == DP_PSR_SINK_INACTIVE)), 1500,
DP_TIMEOUT_PSR_LOOP_MS * 1000);
if (ret) {
dev_warn(dp->dev, "Failed to apply PSR %d\n", ret);