Am Mittwoch, dem 18.06.2025 um 22:43 +0200 schrieb Gert Wollny:
> Signed-off-by: Gert Wollny <[email protected]>
> ---
> drivers/gpu/drm/etnaviv/etnaviv_flop_reset.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_flop_reset.c
> b/drivers/gpu/drm/etnaviv/etnaviv_flop_reset.c
> index c33647e96636..bf4cae4be815 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_flop_reset.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_flop_reset.c
> @@ -16,6 +16,9 @@ enum etnaviv_flop_reset_type {
> flop_reset_tp = 1 << 2
> };
>
> +static int etnaviv_force_flop_reset = 0;
> +module_param_named(force_flop_reset, etnaviv_force_flop_reset, int , 0);
> +
> #define PPU_IMAGE_STRIDE 64
> #define PPU_IMAGE_XSIZE 64
> #define PPU_IMAGE_YSIZE 6
> @@ -151,6 +154,12 @@ etnaviv_flop_reset_ppu_require(const struct
> etnaviv_chip_identity *chip_id)
> return (e->flags & flop_reset_ppu) != 0;
> }
>
> + if (etnaviv_force_flop_reset & flop_reset_ppu) {
This should at least check for chipFeatures_PIPE_3D, so you don't try
to run the flop reset on a 2D only GPU.
Regards,
Lucas
> + pr_warn("Forcing flop reset for model: 0x%04x, revision:
> 0x%04x\n",
> + chip_id->model, chip_id->revision);
> + return true;
> + }
> +
> return false;
> }
>
