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drm/dp/mst: Provide defines for ACK vs. NAK reply type

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Make the code a bit easier to read by providing symbolic names
for the reply_type (ACK vs. NAK). Also clean up some brace stuff
while at it.

v2: s/DP_REPLY/DP_SIDEBAND_REPLY/ (DK)
    Fix some checkpatch issues

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190122200301.18633-1-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä
2019-01-22 22:03:00 +02:00
parent d9f7bb56c2
commit 45bbda1e35
2 changed files with 17 additions and 13 deletions
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4
include/drm/drm_dp_helper.h
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@@ -992,6 +992,10 @@
#define DP_SINK_EVENT_NOTIFY 0x30
#define DP_QUERY_STREAM_ENC_STATUS 0x38
/* DP 1.2 MST sideband reply types */
#define DP_SIDEBAND_REPLY_ACK 0x00
#define DP_SIDEBAND_REPLY_NAK 0x01
/* DP 1.2 MST sideband nak reasons - table 2.84 */
#define DP_NAK_WRITE_FAILURE 0x01
#define DP_NAK_INVALID_READ 0x02