The value used in the macro writel_bits_relaxed has to be masked since we don't want change the bits outside the mask.
Signed-off-by: Julien Masson <jmas...@baylibre.com> --- drivers/gpu/drm/meson/meson_registers.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/meson/meson_registers.h b/drivers/gpu/drm/meson/meson_registers.h index cfaf90501bb1..c7dfbd7454e5 100644 --- a/drivers/gpu/drm/meson/meson_registers.h +++ b/drivers/gpu/drm/meson/meson_registers.h @@ -20,7 +20,7 @@ #define _REG(reg) ((reg) << 2) #define writel_bits_relaxed(mask, val, addr) \ - writel_relaxed((readl_relaxed(addr) & ~(mask)) | (val), addr) + writel_relaxed((readl_relaxed(addr) & ~(mask)) | ((val) & (mask)), addr) /* vpp2 */ #define VPP2_DUMMY_DATA 0x1900 -- 2.17.1
