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drm/armada: update primary framebuffer parameters on mode change 

The framebuffer base address and toggling mode needs to be updated
when the interlaced flag for mode changes is updated.  Arrange to
reprogram these parameters when only the mode has changed.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2018-07-30 11:53:06 +01:00
parent 3cb13ac97b
commit dae2155bb0
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/armada/armada_plane.c
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@ -184,11 +184,13 @@ static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
armada_reg_queue_set(regs, idx, val, LCD_SPU_GZM_HPXL_VLN);
if (old_state->src.x1 != state->src.x1 ||
old_state->src.y1 != state->src.y1 ||
old_state->fb != state->fb) {
old_state->fb != state->fb ||
state->crtc->state->mode_changed) {
idx += armada_drm_crtc_calc_fb(state, regs + idx,
dcrtc->interlaced);
}
if (old_state->fb != state->fb) {
if (old_state->fb != state->fb ||
state->crtc->state->mode_changed) {
cfg = CFG_GRA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |
CFG_GRA_MOD(drm_fb_to_armada_fb(state->fb)->mod);
if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)