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drm/msm/dsi: Remove set but not used variable 'lpx'

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/msm/dsi/phy/dsi_phy.c: In function msm_dsi_dphy_timing_calc_v2:
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c:156:17: warning: variable lpx set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c: In function msm_dsi_dphy_timing_calc_v3:
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c:273:17: warning: variable lpx set but not used [-Wunused-but-set-variable]

'lpx' in msm_dsi_dphy_timing_calc_v2 is not used since commit a4df68fa23
("drm/msm/dsi: Add new method to calculate 14nm PHY timings")

'lpx' in msm_dsi_dphy_timing_calc_v3 is not used since commit f1fa7ff440
("drm/msm/dsi: implement auto PHY timing calculator for 10nm PHY")

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1570690506-83287-4-git-send-email-zhengbin13@huawei.com
This commit is contained in:
zhengbin 2019-10-10 14:55:05 +08:00 committed by Sean Paul
parent c16c52a35e
commit 7264af3ed8
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
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@ -145,7 +145,7 @@ int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing,
{
const unsigned long bit_rate = clk_req->bitclk_rate;
const unsigned long esc_rate = clk_req->escclk_rate;
s32 ui, ui_x8, lpx;
s32 ui, ui_x8;
s32 tmax, tmin;
s32 pcnt0 = 50;
s32 pcnt1 = 50;
@ -175,7 +175,6 @@ int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing,
ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
ui_x8 = ui << 3;
lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000);
temp = S_DIV_ROUND_UP(38 * coeff - val_ckln * ui, ui_x8);
tmin = max_t(s32, temp, 0);
@ -262,7 +261,7 @@ int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing,
{
const unsigned long bit_rate = clk_req->bitclk_rate;
const unsigned long esc_rate = clk_req->escclk_rate;
s32 ui, ui_x8, lpx;
s32 ui, ui_x8;
s32 tmax, tmin;
s32 pcnt0 = 50;
s32 pcnt1 = 50;
@ -284,7 +283,6 @@ int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing,
ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000);
ui_x8 = ui << 3;
lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000);
temp = S_DIV_ROUND_UP(38 * coeff, ui_x8);
tmin = max_t(s32, temp, 0);