diff options
| author | Gert Wollny <gert.wollny@collabora.com> | 2025-11-19 17:45:49 +0100 |
|---|---|---|
| committer | Christian Gmeiner <cgmeiner@igalia.com> | 2026-01-06 16:43:18 +0100 |
| commit | 9fcdece1a734bc71d2d9f9e3dd301cc9fff23327 (patch) | |
| tree | 6d1a5ef3b6c2541d21783093e4292bb3a57b26de /drivers/gpu | |
| parent | 9934873be03c781e0be7b91168fb6a929b140cd1 (diff) | |
drm/etnaviv: Add a new function to emit a series of states to cmd stream
v2: fix formatting and remove superfluous masking (Lucas)
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Tested-by: Marek Vasut <marek.vasut@mailbox.org> # STM32MP255C DHCOS DHSBC
Link: https://patch.msgid.link/20251119164624.9297-4-gert.wollny@collabora.com
Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_buffer.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.h b/drivers/gpu/drm/etnaviv/etnaviv_buffer.h index a5c347c778c1..9f9eb4d545a2 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.h @@ -36,6 +36,19 @@ static inline void CMD_LOAD_STATE(struct etnaviv_cmdbuf *buffer, u32 reg, OUT(buffer, value); } +static inline void CMD_LOAD_STATES_START(struct etnaviv_cmdbuf *buffer, u32 reg, + u32 nvalues) +{ + u32 index = reg >> VIV_FE_LOAD_STATE_HEADER_OFFSET__SHR; + + buffer->user_size = ALIGN(buffer->user_size, 8); + + /* write a register via cmd stream */ + OUT(buffer, VIV_FE_LOAD_STATE_HEADER_OP_LOAD_STATE | + VIV_FE_LOAD_STATE_HEADER_OFFSET(index) | + VIV_FE_LOAD_STATE_HEADER_COUNT(nvalues)); +} + static inline void CMD_END(struct etnaviv_cmdbuf *buffer) { buffer->user_size = ALIGN(buffer->user_size, 8); |