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drm/etnaviv: Add a new function to emit a series of states to cmd stream

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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>
This commit is contained in:
Gert Wollny 2025-11-19 17:45:49 +01:00 committed by Christian Gmeiner
parent 9934873be0
commit 9fcdece1a7
1 changed files with 13 additions and 0 deletions
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13
drivers/gpu/drm/etnaviv/etnaviv_buffer.h
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@ -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);