diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-10-25 18:15:46 +0100 |
|---|---|---|
| committer | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-11-27 14:37:20 +0000 |
| commit | fcd1465d222ca2af239437aab24ddd20add21362 (patch) | |
| tree | baa072737b231cd7cd2b88f2e5c0509d733ee235 | |
| parent | 4013716de7cc40e07580280886310572f491835a (diff) | |
drm/vc4: txp: Add byte enable toggle bit
The MOPLET doesn't have the BYTE_ENABLE field to set, but the TXP and
MOP do, so let's add a boolean to control whether or not we need to set
it.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241025-drm-vc4-2712-support-v2-15-35efa83c8fc0@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_txp.c | 6 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index e08c90245f94..27deb4cde02d 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -538,6 +538,7 @@ struct vc4_crtc_data { struct vc4_txp_data { struct vc4_crtc_data base; + unsigned int has_byte_enable:1; }; extern const struct vc4_txp_data bcm2835_txp_data; diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c index 6fe378b454ca..eaf30b2cfb5b 100644 --- a/drivers/gpu/drm/vc4/vc4_txp.c +++ b/drivers/gpu/drm/vc4/vc4_txp.c @@ -287,6 +287,7 @@ static void vc4_txp_connector_atomic_commit(struct drm_connector *conn, struct drm_connector_state *conn_state = drm_atomic_get_new_connector_state(state, conn); struct vc4_txp *txp = connector_to_vc4_txp(conn); + const struct vc4_txp_data *txp_data = txp->data; struct drm_gem_dma_object *gem; struct drm_display_mode *mode; struct drm_framebuffer *fb; @@ -309,9 +310,11 @@ static void vc4_txp_connector_atomic_commit(struct drm_connector *conn, return; ctrl = TXP_GO | TXP_EI | - VC4_SET_FIELD(0xf, TXP_BYTE_ENABLE) | VC4_SET_FIELD(txp_fmts[i], TXP_FORMAT); + if (txp_data->has_byte_enable) + ctrl |= VC4_SET_FIELD(0xf, TXP_BYTE_ENABLE); + if (fb->format->has_alpha) ctrl |= TXP_ALPHA_ENABLE; else @@ -492,6 +495,7 @@ const struct vc4_txp_data bcm2835_txp_data = { .hvs_available_channels = BIT(2), .hvs_output = 2, }, + .has_byte_enable = true, }; static int vc4_txp_bind(struct device *dev, struct device *master, void *data) |