This is going to be used to check if the command buffers have enough space left prior to actual submission of the commands.
Signed-off-by: Tobias Jakobi tjakobi@math.uni-bielefeld.de --- exynos/exynos_fimg2d.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/exynos/exynos_fimg2d.c b/exynos/exynos_fimg2d.c index 85b2317..1ae8adf 100644 --- a/exynos/exynos_fimg2d.c +++ b/exynos/exynos_fimg2d.c @@ -102,6 +102,23 @@ static unsigned int g2d_get_blend_op(enum e_g2d_op op) }
/* + * g2d_check_space - check if command buffers have enough space left. + * + * @ctx: a pointer to g2d_context structure. + * @num_cmds: number of (regular) commands. + * @num_gem_cmds: number of GEM commands. + */ +static unsigned int g2d_check_space(const struct g2d_context *ctx, + unsigned int num_cmds, unsigned int num_gem_cmds) +{ + if (ctx->cmd_nr + num_cmds >= G2D_MAX_CMD_NR || + ctx->cmd_buf_nr + num_gem_cmds >= G2D_MAX_GEM_CMD_NR) + return 1; + else + return 0; +} + +/* * g2d_add_cmd - set given command and value to user side command buffer. * * @ctx: a pointer to g2d_context structure.