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drm/armada: move plane address and pitch calculation to atomic_check

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Move the plane address and pitch calculations to atomic_check rather
than the update function, so we don't have to probe the interlace
setting for the CRTC while updating the plane.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King
2019-01-25 11:14:21 +00:00
parent 89e0c53ccf
commit 7d62237da6
3 changed files with 25 additions and 33 deletions
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30
drivers/gpu/drm/armada/armada_plane.c
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@@ -79,23 +79,6 @@ void armada_drm_plane_calc(struct drm_plane_state *state, u32 addrs[2][3],
}
}
static unsigned armada_drm_crtc_calc_fb(struct drm_plane_state *state,
struct armada_regs *regs, bool interlaced)
{
u16 pitches[3];
u32 addrs[2][3];
unsigned i = 0;
armada_drm_plane_calc(state, addrs, pitches, interlaced);
/* write offset, base, and pitch */
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;
}
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state)
{
@@ -167,6 +150,9 @@ int armada_drm_plane_atomic_check(struct drm_plane *plane,
st->dst_hw <<= 16;
st->dst_hw |= drm_rect_width(&state->dst) & 0x0000ffff;
armada_drm_plane_calc(state, st->addrs, st->pitches, interlace);
st->interlace = interlace;
return 0;
}
@@ -213,8 +199,12 @@ static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
old_state->src.y1 != state->src.y1 ||
old_state->fb != state->fb ||
state->crtc->state->mode_changed) {
idx += armada_drm_crtc_calc_fb(state, regs + idx,
dcrtc->interlaced);
armada_reg_queue_set(regs, idx, armada_addr(state, 0, 0),
LCD_CFG_GRA_START_ADDR0);
armada_reg_queue_set(regs, idx, armada_addr(state, 1, 0),
LCD_CFG_GRA_START_ADDR1);
armada_reg_queue_mod(regs, idx, armada_pitch(state, 0), 0xffff,
LCD_CFG_GRA_PITCH);
}
if (old_state->fb != state->fb ||
state->crtc->state->mode_changed) {
@@ -224,7 +214,7 @@ static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane,
cfg |= CFG_PALETTE_ENA;
if (state->visible)
cfg |= CFG_GRA_ENA;
if (dcrtc->interlaced)
if (to_armada_plane_state(state)->interlace)
cfg |= CFG_GRA_FTOGGLE;
cfg_mask = CFG_GRAFORMAT |
CFG_GRA_MOD(CFG_SWAPRB | CFG_SWAPUV |