Commit 7e07c68f authored by Ville Syrjälä's avatar Ville Syrjälä

drm/i915: Nuke INTEL_OUTPUT_FORMAT_INVALID

We tend to use output_format!=RGB as a shorthand for YCbCr, but
this fails if we have a disabled crtc where output_format==INVALID.
We're now getting some fail from intel_color_check() when we have:
 hw.enable==false
 hw.ctm!=NULL
 output_format==INVALID

Let's avoid that by throwing INTEL_OUTPUT_FORMAT_INVALID to the
dumpster, and thus everything defaults to RGB when the crtc
is disabled.

This does beg the deeper question of how much of the state
should we in fact be validating when hw/uapi.enable==false.
And should we even be doing the uapi->hw copy when
uapi.enable==false? So far I've not been able to come up with
satisfactory answers for myself, so I'm putting it off for the
moment.

Cc: Lee Shawn C <shawn.c.lee@intel.com>
Fixes: 0aa5c383 ("drm/i915: support two CSC module on gen11 and later")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2964Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210205202322.27608-1-ville.syrjala@linux.intel.comReviewed-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
parent 44bd8e1c
......@@ -116,7 +116,6 @@ void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
crtc_state->cpu_transcoder = INVALID_TRANSCODER;
crtc_state->master_transcoder = INVALID_TRANSCODER;
crtc_state->hsw_workaround_pipe = INVALID_PIPE;
crtc_state->output_format = INTEL_OUTPUT_FORMAT_INVALID;
crtc_state->scaler_state.scaler_id = -1;
crtc_state->mst_master_transcoder = INVALID_TRANSCODER;
}
......
......@@ -8179,7 +8179,6 @@ static void snprintf_output_types(char *buf, size_t len,
}
static const char * const output_format_str[] = {
[INTEL_OUTPUT_FORMAT_INVALID] = "Invalid",
[INTEL_OUTPUT_FORMAT_RGB] = "RGB",
[INTEL_OUTPUT_FORMAT_YCBCR420] = "YCBCR4:2:0",
[INTEL_OUTPUT_FORMAT_YCBCR444] = "YCBCR4:4:4",
......@@ -8188,7 +8187,7 @@ static const char * const output_format_str[] = {
static const char *output_formats(enum intel_output_format format)
{
if (format >= ARRAY_SIZE(output_format_str))
format = INTEL_OUTPUT_FORMAT_INVALID;
return "invalid";
return output_format_str[format];
}
......
......@@ -837,7 +837,6 @@ struct intel_crtc_wm_state {
};
enum intel_output_format {
INTEL_OUTPUT_FORMAT_INVALID,
INTEL_OUTPUT_FORMAT_RGB,
INTEL_OUTPUT_FORMAT_YCBCR420,
INTEL_OUTPUT_FORMAT_YCBCR444,
......
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