Add Michel,
seems Michel found a similar issue. Please see the kern.log.
Best Regards
Rex
________________________________
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Harry Wentland <harry.wentland at amd.com>
Sent: Friday, July 6, 2018 9:32 PM
To: Christian König; amd-gfx at lists.freedesktop.org
Cc: Lipski, Mikita
Subject: Re: [PATCH 2/2] drm/amd/display: make function tables const
On 2018-07-06 08:22 AM, Christian König wrote:
> It is good practice to make global function tables const to avoid
> accidental override.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
Well, this is embarassing. Can't believe I didn't spot this.
Series is
Reviewed-by: Harry Wentland <harry.wentland at amd.com>
Now I wonder where else we might have this issue. Time to review all of our other function pointers.
Harry
> ---
> drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c | 6 +++---
> drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c | 2 +-
> drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h | 2 +-
> 3 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
> index bae752332a9f..85686d917636 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
> @@ -729,7 +729,7 @@ static bool dce_mi_program_surface_flip_and_addr(
> return true;
> }
>
> -static struct mem_input_funcs dce_mi_funcs = {
> +static const struct mem_input_funcs dce_mi_funcs = {
> .mem_input_program_display_marks = dce_mi_program_display_marks,
> .allocate_mem_input = dce_mi_allocate_dmif,
> .free_mem_input = dce_mi_free_dmif,
> @@ -741,7 +741,7 @@ static struct mem_input_funcs dce_mi_funcs = {
> .mem_input_is_flip_pending = dce_mi_is_flip_pending
> };
>
> -static struct mem_input_funcs dce112_mi_funcs = {
> +static const struct mem_input_funcs dce112_mi_funcs = {
> .mem_input_program_display_marks = dce112_mi_program_display_marks,
> .allocate_mem_input = dce_mi_allocate_dmif,
> .free_mem_input = dce_mi_free_dmif,
> @@ -753,7 +753,7 @@ static struct mem_input_funcs dce112_mi_funcs = {
> .mem_input_is_flip_pending = dce_mi_is_flip_pending
> };
>
> -static struct mem_input_funcs dce120_mi_funcs = {
> +static const struct mem_input_funcs dce120_mi_funcs = {
> .mem_input_program_display_marks = dce120_mi_program_display_marks,
> .allocate_mem_input = dce_mi_allocate_dmif,
> .free_mem_input = dce_mi_free_dmif,
> diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
> index 0564c8e31252..9b9fc3d96c07 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c
> @@ -1011,7 +1011,7 @@ void dce110_free_mem_input_v(
> {
> }
>
> -static struct mem_input_funcs dce110_mem_input_v_funcs = {
> +static const struct mem_input_funcs dce110_mem_input_v_funcs = {
> .mem_input_program_display_marks =
> dce_mem_input_v_program_display_marks,
> .mem_input_program_chroma_display_marks =
> diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h b/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h
> index 47f1dc5a43b7..da89c2edb07c 100644
> --- a/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h
> +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h
> @@ -64,7 +64,7 @@ struct stutter_modes {
> };
>
> struct mem_input {
> - struct mem_input_funcs *funcs;
> + const struct mem_input_funcs *funcs;
> struct dc_context *ctx;
> struct dc_plane_address request_address;
> struct dc_plane_address current_address;
>
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