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drm/i915/dsi: return -EBUSY instead of -1

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Avoid using the incidental -EPERM. Also remove useless comment.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/37df1edc6d3745997cec2dfe41520d9f704e14b4.1633000838.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula
2021-09-30 14:24:33 +03:00
parent 207ea507a1
commit b90acd0987
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/display/icl_dsi.c
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@@ -169,9 +169,8 @@ static int dsi_send_pkt_hdr(struct intel_dsi_host *host,
enum transcoder dsi_trans = dsi_port_to_transcoder(host->port);
u32 tmp;
/* check if header credit available */
if (!wait_for_header_credits(dev_priv, dsi_trans, 1))
return -1;
return -EBUSY;
tmp = intel_de_read(dev_priv, DSI_CMD_TXHDR(dsi_trans));