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drm: fix warnings in DSC

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Remove always false comparisons due to limited range of nfl_bpg_offset
and scale_increment_interval fields.
Warnings detected when compiling with W=1.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911084759.6946-1-benjamin.gaignard@st.com
This commit is contained in:
Benjamin Gaignard 2019-09-11 10:47:59 +02:00 committed by Benjamin Gaignard
parent 5dec1affe0
commit 3b92198d6c
1 changed files with 0 additions and 11 deletions
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11
drivers/gpu/drm/drm_dsc.c
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@ -336,12 +336,6 @@ int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg)
else else
vdsc_cfg->nfl_bpg_offset = 0; vdsc_cfg->nfl_bpg_offset = 0;
/* 2^16 - 1 */
if (vdsc_cfg->nfl_bpg_offset > 65535) {
DRM_DEBUG_KMS("NflBpgOffset is too large for this slice height\n");
return -ERANGE;
}
/* Number of groups used to code the entire slice */ /* Number of groups used to code the entire slice */
groups_total = groups_per_line * vdsc_cfg->slice_height; groups_total = groups_per_line * vdsc_cfg->slice_height;
@ -371,11 +365,6 @@ int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg)
vdsc_cfg->scale_increment_interval = 0; vdsc_cfg->scale_increment_interval = 0;
} }
if (vdsc_cfg->scale_increment_interval > 65535) {
DRM_DEBUG_KMS("ScaleIncrementInterval is large for slice height\n");
return -ERANGE;
}
/* /*
* DSC spec mentions that bits_per_pixel specifies the target * DSC spec mentions that bits_per_pixel specifies the target
* bits/pixel (bpp) rate that is used by the encoder, * bits/pixel (bpp) rate that is used by the encoder,