From 3b92198d6c279971069b86badaea73f626722cc3 Mon Sep 17 00:00:00 2001
From: Benjamin Gaignard <benjamin.gaignard@st.com>
Date: Wed, 11 Sep 2019 10:47:59 +0200
Subject: drm: fix warnings in DSC
Git-commit: 3b92198d6c279971069b86badaea73f626722cc3
Patch-mainline: v5.5-rc1
References: bsc#1152489
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
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/drm_dsc.c | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/drivers/gpu/drm/drm_dsc.c b/drivers/gpu/drm/drm_dsc.c
index 77f4e5ae4197..27e5c6036658 100644
--- a/drivers/gpu/drm/drm_dsc.c
+++ b/drivers/gpu/drm/drm_dsc.c
@@ -336,12 +336,6 @@ int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg)
else
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 */
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;
}
- 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
* bits/pixel (bpp) rate that is used by the encoder,
--
2.28.0