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authorColin Ian King <colin.king@canonical.com>2020-11-24 12:15:28 +0000
committerLinus Walleij <linus.walleij@linaro.org>2020-11-25 21:58:35 +0100
commitab43108d0dd48d287e1b5bb9cd4a969457ed9b0e (patch)
treea3a6d1f49c51da3e04cfe644104e7759aad68e6d /drivers/gpu/drm/mcde/mcde_display.c
parentdma-buf/dma-resv: Respect num_fences when initializing the shared fence list. (diff)
downloadlinux-dev-ab43108d0dd48d287e1b5bb9cd4a969457ed9b0e.tar.xz
linux-dev-ab43108d0dd48d287e1b5bb9cd4a969457ed9b0e.zip
drm/mcde: fix masking and bitwise-or on variable val
The masking of val with ~MCDE_CRX1_CLKSEL_MASK is currently being ignored because there seems to be a missing bitwise-or of val in the following statement. Fix this by replacing the assignment of val with a bitwise-or. Fixes: d795fd322063 ("drm/mcde: Support DPI output") Signed-off-by: Colin Ian King <colin.king@canonical.com> Addresses-Coverity: ("Unused valued") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201124121528.395681-1-colin.king@canonical.com
Diffstat (limited to '')
-rw-r--r--drivers/gpu/drm/mcde/mcde_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mcde/mcde_display.c b/drivers/gpu/drm/mcde/mcde_display.c
index d941026b940c..7c2e0b865441 100644
--- a/drivers/gpu/drm/mcde/mcde_display.c
+++ b/drivers/gpu/drm/mcde/mcde_display.c
@@ -738,7 +738,7 @@ static void mcde_configure_fifo(struct mcde *mcde, enum mcde_fifo fifo,
} else {
/* Use the MCDE clock for DSI */
val &= ~MCDE_CRX1_CLKSEL_MASK;
- val = MCDE_CRX1_CLKSEL_MCDECLK << MCDE_CRX1_CLKSEL_SHIFT;
+ val |= MCDE_CRX1_CLKSEL_MCDECLK << MCDE_CRX1_CLKSEL_SHIFT;
}
writel(val, mcde->regs + cr1);
spin_unlock(&mcde->fifo_crx1_lock);