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authorRussell King <rmk+kernel@armlinux.org.uk>2018-07-30 13:52:34 +0300
committerRussell King <rmk+kernel@armlinux.org.uk>2018-07-30 13:52:34 +0300
commitb5bae71a79d712681bdf48ee029f1953697924f7 (patch)
tree5149e28b6b92a7ba52a4cae9ca49ee138767df34 /drivers/gpu/drm/armada/armada_plane.c
parent4aafe00e2f6bb43656d690b6241f80bb8c236168 (diff)
downloadlinux-b5bae71a79d712681bdf48ee029f1953697924f7.tar.xz
drm/armada: push interlace calculation into armada_drm_plane_calc()
Push the interlaced frame calculation down into armada_drm_plane_calc() which needs to apply the same correction for both the overlay and primary planes. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/armada/armada_plane.c')
-rw-r--r--drivers/gpu/drm/armada/armada_plane.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/drivers/gpu/drm/armada/armada_plane.c b/drivers/gpu/drm/armada/armada_plane.c
index 3c9414c56aca..1320fec4c386 100644
--- a/drivers/gpu/drm/armada/armada_plane.c
+++ b/drivers/gpu/drm/armada/armada_plane.c
@@ -35,8 +35,8 @@ static const uint32_t armada_primary_formats[] = {
DRM_FORMAT_BGR565,
};
-void armada_drm_plane_calc(struct drm_plane_state *state, u32 addrs[3],
- u16 pitches[3])
+void armada_drm_plane_calc(struct drm_plane_state *state, u32 addrs[2][3],
+ u16 pitches[3], bool interlaced)
{
struct drm_framebuffer *fb = state->fb;
const struct drm_format_info *format = fb->format;
@@ -52,43 +52,45 @@ void armada_drm_plane_calc(struct drm_plane_state *state, u32 addrs[3],
if (num_planes > 3)
num_planes = 3;
- addrs[0] = addr + fb->offsets[0] + y * fb->pitches[0] +
- x * format->cpp[0];
+ addrs[0][0] = addr + fb->offsets[0] + y * fb->pitches[0] +
+ x * format->cpp[0];
pitches[0] = fb->pitches[0];
y /= format->vsub;
x /= format->hsub;
for (i = 1; i < num_planes; i++) {
- addrs[i] = addr + fb->offsets[i] + y * fb->pitches[i] +
- x * format->cpp[i];
+ addrs[0][i] = addr + fb->offsets[i] + y * fb->pitches[i] +
+ x * format->cpp[i];
pitches[i] = fb->pitches[i];
}
for (; i < 3; i++) {
- addrs[i] = 0;
+ addrs[0][i] = 0;
pitches[i] = 0;
}
+ if (interlaced) {
+ for (i = 0; i < 3; i++) {
+ addrs[1][i] = addrs[0][i] + pitches[i];
+ pitches[i] *= 2;
+ }
+ } else {
+ for (i = 0; i < 3; i++)
+ addrs[1][i] = addrs[0][i];
+ }
}
static unsigned armada_drm_crtc_calc_fb(struct drm_plane_state *state,
struct armada_regs *regs, bool interlaced)
{
u16 pitches[3];
- u32 addrs[3], addr_odd, addr_even;
+ u32 addrs[2][3];
unsigned i = 0;
- armada_drm_plane_calc(state, addrs, pitches);
-
- addr_odd = addr_even = addrs[0];
-
- if (interlaced) {
- addr_even += pitches[0];
- pitches[0] *= 2;
- }
+ armada_drm_plane_calc(state, addrs, pitches, interlaced);
/* write offset, base, and pitch */
- armada_reg_queue_set(regs, i, addr_odd, LCD_CFG_GRA_START_ADDR0);
- armada_reg_queue_set(regs, i, addr_even, LCD_CFG_GRA_START_ADDR1);
+ armada_reg_queue_set(regs, i, addrs[0][0], LCD_CFG_GRA_START_ADDR0);
+ armada_reg_queue_set(regs, i, addrs[1][0], LCD_CFG_GRA_START_ADDR1);
armada_reg_queue_mod(regs, i, pitches[0], 0xffff, LCD_CFG_GRA_PITCH);
return i;