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drm/dsi: Use peripheral's channel for DCS commands

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When executing DCS commands, use the channel associated with the DSI
peripheral rather than one explicitly specified in the function call.
Devices shouldn't be able to step on each others' toes like this.

Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding
2014-07-21 12:28:25 +02:00
parent 371c359f83
commit 3c523d7d38
3 changed files with 12 additions and 14 deletions
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4
drivers/gpu/drm/panel/panel-s6e8aa0.c
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@@ -138,7 +138,7 @@ static void s6e8aa0_dcs_write(struct s6e8aa0 *ctx, const void *data, size_t len)
if (ctx->error < 0)
return;
ret = mipi_dsi_dcs_write(dsi, dsi->channel, data, len);
ret = mipi_dsi_dcs_write(dsi, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %zd writing dcs seq: %*ph\n", ret, len,
data);
@@ -154,7 +154,7 @@ static int s6e8aa0_dcs_read(struct s6e8aa0 *ctx, u8 cmd, void *data, size_t len)
if (ctx->error < 0)
return ctx->error;
ret = mipi_dsi_dcs_read(dsi, dsi->channel, cmd, data, len);
ret = mipi_dsi_dcs_read(dsi, cmd, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %d reading dcs seq(%#x)\n", ret, cmd);
ctx->error = ret;