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authorMaxime Ripard <maxime@cerno.tech>2020-05-27 17:47:57 +0200
committerMaxime Ripard <maxime@cerno.tech>2020-06-10 11:09:38 +0200
commite58a5e6f4118e1afe7f346701553940c433000ee (patch)
treeb23a349f81b05917f0596a7e9ec5e58e6e360c71 /drivers/gpu/drm/vc4
parentdrm/vc4: crtc: Move crtc state to common header (diff)
downloadlinux-e58a5e6f4118e1afe7f346701553940c433000ee.tar.xz
linux-e58a5e6f4118e1afe7f346701553940c433000ee.zip
drm/vc4: crtc: Turn static const variable into a define
The hvs_latency_pix variable doesn't need to be a variable and can just be defined. Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/8535c679f79af8abaa1b7796261bfeda11f874fd.1590594512.git-series.maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/vc4')
-rw-r--r--drivers/gpu/drm/vc4/vc4_crtc.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 3fb7f2af8256..be102e7255ee 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -44,6 +44,8 @@
#include "vc4_drv.h"
#include "vc4_regs.h"
+#define HVS_FIFO_LATENCY_PIX 6
+
#define CRTC_WRITE(offset, val) writel(val, vc4_crtc->regs + (offset))
#define CRTC_READ(offset) readl(vc4_crtc->regs + (offset))
@@ -231,18 +233,17 @@ vc4_crtc_update_gamma_lut(struct drm_crtc *crtc)
static u32 vc4_get_fifo_full_level(u32 format)
{
static const u32 fifo_len_bytes = 64;
- static const u32 hvs_latency_pix = 6;
switch (format) {
case PV_CONTROL_FORMAT_DSIV_16:
case PV_CONTROL_FORMAT_DSIC_16:
- return fifo_len_bytes - 2 * hvs_latency_pix;
+ return fifo_len_bytes - 2 * HVS_FIFO_LATENCY_PIX;
case PV_CONTROL_FORMAT_DSIV_18:
return fifo_len_bytes - 14;
case PV_CONTROL_FORMAT_24:
case PV_CONTROL_FORMAT_DSIV_24:
default:
- return fifo_len_bytes - 3 * hvs_latency_pix;
+ return fifo_len_bytes - 3 * HVS_FIFO_LATENCY_PIX;
}
}