From 9fcdece1a734bc71d2d9f9e3dd301cc9fff23327 Mon Sep 17 00:00:00 2001 From: Gert Wollny Date: Wed, 19 Nov 2025 17:45:49 +0100 Subject: [PATCH] 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 Reviewed-by: Christian Gmeiner Tested-by: Marek Vasut # STM32MP255C DHCOS DHSBC Link: https://patch.msgid.link/20251119164624.9297-4-gert.wollny@collabora.com Signed-off-by: Christian Gmeiner --- drivers/gpu/drm/etnaviv/etnaviv_buffer.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) 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); -- 2.47.3