[PATCH] drm/amdgpu: fix checkpatch.pl error to amdgpu_drv.c

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Christian König
> Sent: Friday, September 15, 2017 8:19 AM
> To: Zhu, Rex; amd-gfx at lists.freedesktop.org
> Subject: Re: [PATCH] drm/amdgpu: fix checkpatch.pl error to amdgpu_drv.c
> 
> Am 15.09.2017 um 13:58 schrieb Rex Zhu:
> > fix checkpatch.pl error and warning:
> > 1. ERROR: do not initialise globals to NULL
> > 2. ERROR: do not initialise globals to 0

I get that globals don't have to be assigned to 0, but not everyone remembers that and it makes it easier to look at the code and determine what the value of different variables are, especially when other globals have non-0 values.  Seems nicer to read to have them all assigned a value.

Alex

> > 3. WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
> >
> > Change-Id: I7029087efcfa88c968be9d7ae42f2453bc4b1da0
> > Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
> 
> Amdgpu has used "unsigned" quite extensively, but yeah in theory we
> should fix that sooner or later.
> 
> Patch is Reviewed-by: Christian König <christian.koenig at amd.com>
> 
> > ---
> >   drivers/gpu/drm/amd/amdgpu/amdgpu.h     | 14 ++++-----
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 54 ++++++++++++++++--
> ---------------
> >   2 files changed, 34 insertions(+), 34 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > index 3cdca78..3a7d32e 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > @@ -93,7 +93,7 @@
> >   extern int amdgpu_fw_load_type;
> >   extern int amdgpu_aspm;
> >   extern int amdgpu_runtime_pm;
> > -extern unsigned amdgpu_ip_block_mask;
> > +extern uint amdgpu_ip_block_mask;
> >   extern int amdgpu_bapm;
> >   extern int amdgpu_deep_color;
> >   extern int amdgpu_vm_size;
> > @@ -107,14 +107,14 @@
> >   extern int amdgpu_sched_hw_submission;
> >   extern int amdgpu_no_evict;
> >   extern int amdgpu_direct_gma_size;
> > -extern unsigned amdgpu_pcie_gen_cap;
> > -extern unsigned amdgpu_pcie_lane_cap;
> > -extern unsigned amdgpu_cg_mask;
> > -extern unsigned amdgpu_pg_mask;
> > -extern unsigned amdgpu_sdma_phase_quantum;
> > +extern uint amdgpu_pcie_gen_cap;
> > +extern uint amdgpu_pcie_lane_cap;
> > +extern uint amdgpu_cg_mask;
> > +extern uint amdgpu_pg_mask;
> > +extern uint amdgpu_sdma_phase_quantum;
> >   extern char *amdgpu_disable_cu;
> >   extern char *amdgpu_virtual_display;
> > -extern unsigned amdgpu_pp_feature_mask;
> > +extern uint amdgpu_pp_feature_mask;
> >   extern int amdgpu_vram_page_split;
> >   extern int amdgpu_ngg;
> >   extern int amdgpu_prim_buf_per_se;
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > index 47e4e66..52fa8636 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > @@ -75,53 +75,53 @@
> >   #define KMS_DRIVER_MINOR	20
> >   #define KMS_DRIVER_PATCHLEVEL	0
> >
> > -int amdgpu_vram_limit = 0;
> > -int amdgpu_vis_vram_limit = 0;
> > +int amdgpu_vram_limit;
> > +int amdgpu_vis_vram_limit;
> >   int amdgpu_gart_size = -1; /* auto */
> >   int amdgpu_gtt_size = -1; /* auto */
> >   int amdgpu_moverate = -1; /* auto */
> > -int amdgpu_benchmarking = 0;
> > -int amdgpu_testing = 0;
> > +int amdgpu_benchmarking;
> > +int amdgpu_testing;
> >   int amdgpu_audio = -1;
> > -int amdgpu_disp_priority = 0;
> > +int amdgpu_disp_priority;
> >   int amdgpu_hw_i2c = 0;
> >   int amdgpu_pcie_gen2 = -1;
> >   int amdgpu_msi = -1;
> > -int amdgpu_lockup_timeout = 0;
> > +int amdgpu_lockup_timeout;
> >   int amdgpu_dpm = -1;
> >   int amdgpu_fw_load_type = -1;
> >   int amdgpu_aspm = -1;
> >   int amdgpu_runtime_pm = -1;
> > -unsigned amdgpu_ip_block_mask = 0xffffffff;
> > +uint amdgpu_ip_block_mask = 0xffffffff;
> >   int amdgpu_bapm = -1;
> > -int amdgpu_deep_color = 0;
> > +int amdgpu_deep_color;
> >   int amdgpu_vm_size = -1;
> >   int amdgpu_vm_fragment_size = -1;
> >   int amdgpu_vm_block_size = -1;
> > -int amdgpu_vm_fault_stop = 0;
> > -int amdgpu_vm_debug = 0;
> > +int amdgpu_vm_fault_stop;
> > +int amdgpu_vm_debug;
> >   int amdgpu_vram_page_split = 512;
> >   int amdgpu_vm_update_mode = -1;
> > -int amdgpu_exp_hw_support = 0;
> > +int amdgpu_exp_hw_support;
> >   int amdgpu_dc = -1;
> >   int amdgpu_sched_jobs = 32;
> >   int amdgpu_sched_hw_submission = 2;
> > -int amdgpu_no_evict = 0;
> > -int amdgpu_direct_gma_size = 0;
> > -unsigned amdgpu_pcie_gen_cap = 0;
> > -unsigned amdgpu_pcie_lane_cap = 0;
> > -unsigned amdgpu_cg_mask = 0xffffffff;
> > -unsigned amdgpu_pg_mask = 0xffffffff;
> > -unsigned amdgpu_sdma_phase_quantum = 32;
> > -char *amdgpu_disable_cu = NULL;
> > -char *amdgpu_virtual_display = NULL;
> > -unsigned amdgpu_pp_feature_mask = 0xffffffff;
> > -int amdgpu_ngg = 0;
> > -int amdgpu_prim_buf_per_se = 0;
> > -int amdgpu_pos_buf_per_se = 0;
> > -int amdgpu_cntl_sb_buf_per_se = 0;
> > -int amdgpu_param_buf_per_se = 0;
> > -int amdgpu_job_hang_limit = 0;
> > +int amdgpu_no_evict;
> > +int amdgpu_direct_gma_size;
> > +uint amdgpu_pcie_gen_cap;
> > +uint amdgpu_pcie_lane_cap;
> > +uint amdgpu_cg_mask = 0xffffffff;
> > +uint amdgpu_pg_mask = 0xffffffff;
> > +uint amdgpu_sdma_phase_quantum = 32;
> > +char *amdgpu_disable_cu;
> > +char *amdgpu_virtual_display;
> > +uint amdgpu_pp_feature_mask = 0xffffffff;
> > +int amdgpu_ngg;
> > +int amdgpu_prim_buf_per_se;
> > +int amdgpu_pos_buf_per_se;
> > +int amdgpu_cntl_sb_buf_per_se;
> > +int amdgpu_param_buf_per_se;
> > +int amdgpu_job_hang_limit;
> >   int amdgpu_lbpw = -1;
> >   uint amdgpu_smu_memory_pool_size;
> >
> 
> 
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